You are designing the thermal management of a new CPU in a PC. The CPU produces heat equal to the last two digits of your matriculation number plus 10 (For example, if your matriculation number is 1234567, the CPU produces 77 W of heat). What is the maximum thermal resistance that can exist between the between the CPU and the 22 °C outside environment in order to avoid thermal runaway?
Answers
The maximum thermal resistance that can exist between the CPU and the 22°C outside environment to avoid thermal runaway is 0.35°C/W.
Thermal runaway is a situation where the temperature of the CPU continues to increase due to inadequate heat dissipation, which may cause irreversible damage to the CPU. To avoid thermal runaway, we need to determine the maximum thermal resistance that can exist between the CPU and the outside environment.
Assuming the given matriculation number is 1234567, the heat produced by the CPU is 67 W.
The maximum temperature that the CPU can reach can be calculated using the following formula:
T_max = T_outside + (P * R_max)
Where P is the heat produced by the CPU, and R_max is the maximum thermal resistance that can exist between the CPU and the outside environment.
Assuming the maximum temperature the CPU can reach is 80°C, and the outside temperature is 22°C, we can calculate the thermal resistance as follows:
R_max = (T_max - T_outside) / P
= (80°C - 22°C) / 67 W
= 0.86 °C/W
Therefore, the maximum thermal resistance between the CPU and the outside environment should be less than 0.86°C/W to maintain the CPU's temperature below the maximum allowed temperature of 80°C.
As a safety factor, it is recommended that the maximum thermal resistance should be less than half of the calculated value. Hence, the maximum thermal resistance that can exist between the CPU and the outside environment to avoid thermal runaway is:
R_max = 0.43 * (80°C - 22°C) / 67 W
= 0.35°C/W
To avoid thermal runaway, the maximum thermal resistance between the CPU and the outside environment should be less than 0.35°C/W. This calculation considered the heat produced by the CPU, the maximum allowed temperature for the CPU, and the outside temperature to determine the maximum thermal resistance that can exist without compromising the stability and reliability of the CPU.
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Related Questions
Tech A says that bearing axial loads are in line with the shaft. Tech B says that bearing radial loads occur because the gears have a tendency to push each other apart as torque is transmitted between them. Who is correct
Answers
Tech A is correct. Bearing axial loads are in line with the shaft and occur parallel to the axis of rotation.
Bearing radial loads, on the other hand, occur perpendicular to the axis of rotation and are caused by the weight of the rotating assembly or external forces acting on it. Gear mesh forces may cause additional radial loads on bearings, but they are not the primary cause of radial loads.
Tech A is correct when stating that bearing axial loads are in line with the shaft, and Tech B is correct when saying that bearing radial loads occur because the gears have a tendency to push each other apart as torque is transmitted between them. Therefore, both Tech A and Tech B are correct in their respective statements.
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Asian red coolant is what type?
Answers
Answer:
Valvoline™ ZEREX™ Asian Vehicle has been designed to meet the requirements of Asian manufacturers, which specify a silicate free HOAT formula with a phosphate additive to protect their cooling systems from rust and corrosion. Available in both red and blue formulas to better match your Asian vehicle’s specific requirements.
Explanation:
ZEREX Asian Vehicle Antifreeze/Coolant is specifically formulated to meet the requirements of Asian vehicle manufacturers (Toyota , Lexus , Scion and others) requiring a red, silicate free Hybrid Organic Acid Technology (HOAT) with a phosphate additive.
Answer:poat formulation
Explanation:
Three rolling cylinders are connected with a pure rolling contact with a speed ratio of 3 in cylinder 1 and 2, if the center distance of the cylinder 1&2 and cylinder 2&3 are 16inches & 18 respectively. Calculate the diameter and mm of each cylinder. If the velocity is 20m/s.
Answers
true or false? what is a clock.
Answers
Answer:
tralse
Explanation:
it just makes sense yk what I mean XD
im a genius.. brain.ly everyday,
Answer:
true or false makes no sense
Explanation:
a clock is something u use to tell time, like u look at it and be like omg my mom is getting old lol
You have a Linux system that has a 1000GB SSD, which has a 90GB partition containing an ext4 filesystem mounted to the / directory and a 4GB swap partition. Currently, this Linux system is only used by a few users for storing small files; however, the department manager wants to upgrade this system and use it to run a database application that will be used by 100 users. The database application and the associated data will take up over 200GB of hard disk space. In addition, these 100 users will store their personal files on the hard disk of the system. Each user must have a maximum of 5GB of storage space. The department manager has made it very clear that this system must not exhibit any downtime as a result of hard disk errors. How much hard disk space will you require, and what partitions would you need to ensure that the system will perform as needed? Where would these partitions be mounted? What quotas would you implement? What commands would you need to run and what entries to /etc/fstab would you need to create? Justify your answers.
Answers
Explanation:
To address the requirements for the upgraded Linux system, you will need a minimum of at least 200GB + 100 users * 5GB = 800GB of hard disk space. This will ensure that the database application and associated data, as well as the personal files of the 100 users, can be stored on the system.
In terms of partitions, you will need to create a new partition for the database application and data. This partition should be at least 200GB and should be mounted to a directory such as /data. You will also need to create a partition for the personal files of the users. This partition should be at least 100 users * 5GB = 500GB and should be mounted to a directory such as /home.
Quotas should be implemented on the /home partition to ensure that each user only has a maximum of 5GB of storage space. You can use the quotactl system call or the quota utilities (quotaon, edquota, repquota, etc.) to implement quotas.
To ensure that the system does not exhibit downtime as a result of hard disk errors, you may consider using a redundant array of inexpensive disks (RAID) to provide data protection. A RAID 1 or RAID 10 configuration can be used to mirror the data, so that if one disk fails, the data is still available on another disk.
To implement the new partitions and quotas, the following commands could be used:
To create the new partitions:
fdisk /dev/sda (or other device name)
n (create new partition)
p (primary partition)
1 (partition number)
[Enter] (default first cylinder)
+200G (size of partition for database application and data)
n (create new partition)
p (primary partition)
2 (partition number)
[Enter] (default first cylinder)
+500G (size of partition for user personal files)
w (write changes and exit)
To format the new partitions:
mkfs.ext4 /dev/sda1 (for the database application and data partition)
mkfs.ext4 /dev/sda2 (for the user personal files partition)
To mount the new partitions:
mkdir /data
mount /dev/sda1 /data
mkdir /home
mount /dev/sda2 /home
To implement quotas:
quotacheck -avugm (to check the file system for quotas)
edquota -u [username] (to edit the quota for a specific user)
quotaon /home (to enable quotas on the /home partition)
To add the new partitions to /etc/fstab:
Add the following lines to the file:
/dev/sda1 /data ext4 defaults 0 0
/dev/sda2 /home ext4 defaults,usrquota 0 0
In conclusion, to ensure that the system will perform as needed, you will require at least 800GB of hard disk space, and create two partitions for the database application and data, and user personal files, with quotas implemented on the user personal files partition. The new partitions should be mounted to /data and /home, and entries should be added to the /etc/fstab file to ensure that they are automatically mounted during system boot.
These agents function by binding divalent cations. EDTA binds both Mg2+ and Ca2+ tightly while EGTA has a greater specificity for Ca2+. (Both will bind a number of other divalent cations as well.) However, cation binding is pH-dependent. In making a solution of EDTA, it is often suggested that the pH of the solution be adjusted to around 8. The pKas of the four acetic acid groups on EDTA are 2.0, 2.67, 6.16 and 10.26. At pH = 8.0, what is the predominant ionic species of EDTA?
Answers
At pH = 8.0, the predominant ionic species of EDTA would be the diprotic species, H2EDTA^2-.
This is because the pH of 8.0 is above the pKa of the first two acetic acid groups (2.0 and 2.67), meaning that they will be mostly protonated and therefore not ionized. However, the pH is below the pKa of the third and fourth acetic acid groups (6.16 and 10.26), meaning that they will be mostly deprotonated and therefore ionized.
So, at pH = 8.0, the EDTA molecule will have two deprotonated acetic acid groups, and thus will exist predominantly as the diprotic species H2EDTA^2-. This species can effectively chelate and bind divalent cations, such as Mg2+ and Ca2+.
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Choose Odd one out of the options ?
A) PSRQ
B) SVUT
C) MNPO
D) KNML
Answers
Suppose you are planning a party, and your objective is to have an enjoyable party for all guests. An outdoor barbecue would be the best but only if the sun shines; rain would ruin the barbecue. On the other hand, you could plan an indoor party. This would be a good party, not as nice as an outdoor barbecue in the sunshine but better than a barbecue in the rain. Of course, it is always possible to forego the party altogether!
Construct an influence diagram and a decision tree for this problem.
Answers
The decision tree is continuing support for judgment, that utilizes a tree-like decision model, and its possible effects, such as the chance event results, resources as well as utility costs. It is a way of displaying an automated system containing the only conditional statement of control, and the further discussion can be defind as follows:
To make it pleasant for all guests concerned, the host needs to decide on the course of the barbeque party.Plan and draw up a decision tree that will show the potential results based on the different site conditions. The weather conditions that will prevail at the site on that particular day of the party are the factor of concern about the decision.Start the tree with such a single node the day of the party which will provide a view of the weather.Please find the diagram in the attachment file.
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Which type of hybrid vehicle is propelled by only an electric motor and does not require a traditional transmission to drive the wheels
Answers
Answer:
Dual-Mode Hybrid
Explanation:
The type of hybrid vehicle propelled by only an electric motor and does not require a traditional transmission to drive the wheels is known as "DUAL-MODE HYBRID."
Dual-Mode Hybrid is a type of Hybrid Electric Vehicle (HEV) which contains a separate generator consisting of rechargeable batteries. The engine ensures the wheels and the generator are moved; thereby, the electric motor and the batteries are fully powered.
A good example is a Toyota Prius, where during driving conditions, only the electric motor drives the wheels, in which the batteries supply the car with power.
The PW method allows analysis over the respective alternative lives. Select one: O True O False Multiple i" values may exist when there is more than one sign change in net cash flow (CF) series. Such CF series are called conventional series Select one: True O False Selection of independant project using ROR method imposes! Select one: O a. Select all alternatives with ROR greater than or equal to MARR. O b.Select all alternatives with i* lower than the do-nothing project (DN). O C. Select all alternatives with incremental ROR greater than or equal MARR. d. Select all alternatives with ROR greater than or equal to 1.0.
Answers
The PW method allows the analysis of the respective alternative lives. The statement is true.The PW (Present Worth) technique is a procedure that assesses the cost-effectiveness of a project or investment in the current year.
PW measures the present worth of cash inflows and outflows and is used to analyze cash flow series.The PW method allows analysis over the respective alternative lives. This is because of the time value of money. The PW technique is typically utilized for long-term projects because it calculates a net present worth that enables evaluations between investments with different timescales. Thus, the statement is true.A conventional cash flow series is characterized by one or more negative net cash flows and then a string of positive net cash flows that are entirely returned to the company or investor. The term "conventional" refers to the fact that cash flow is negative in the beginning and positive in the end. Multiple "i" values may exist when there are more than one sign change in net cash flow (CF) series. This is true.Selection of an independent project using the ROR (Rate of Return) method imposes certain constraints. Out of the given options, the correct answer is option A: select all alternatives with ROR greater than or equal to MARR (Minimum Acceptable Rate of Return).Why choose alternatives with ROR greater than or equal to MARR?ROR is an approach that calculates the internal rate of return of a project, which is the interest rate at which the project's net present value (NPV) is zero. MARR, on the other hand, is the required rate of return that the company or investor requires from a particular investment. If the ROR is greater than or equal to MARR, the project is profitable. Therefore, to choose a profitable independent project using the ROR method, all alternatives with ROR greater than or equal to MARR should be selected.
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This agency develops standards for pressure vessels and pressure relief valves, as well as the design, welding, and materials that may be used in pipeline construction.
Select one:
a. American Petroleum Institute
b. American Society of Mechanical Engineers
c. American Gas Association
d. National Fire Protection Association
Answers
Answer:
b. American Society of Mechanical Engineers
Explanation:
The "American Society of Mechanical Engineers" (ASME) is an organization that ensures the development of engineering fields. It is an accreditation organization that ensures parties will comply to the ASME Boiler and Pressure Vessel Code or BPVC.
The BPVC is a standard being followed by ASME in order to regulate the different pressure vessels and valves. Such standard prevents boiler explosion incidents.
using the what-if function in excel to make a decision is considered a type of __________.
Answers
Using the what-if function in Excel to make a decision is considered a type of decision support system.
For, this type of system uses analytics techniques such as data mining and predictive analytics to help decision makers identify trends and correlations in their data that they can use to make better decisions.
What is the What-If function in Excel?The What-If function in Excel is a powerful tool that lets you analyze the impact of changing variables in a formula. It allows you to input different values for variables in a formula and see the results for each different set of values.
This is useful for analyzing a variety of scenarios and predicting the effects of changes, helping them make better choices for their business.
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service drop conductors shall have a vertical clearance of not less than
Answers
The minimum clearance required for service drop conductors is 10 feet (3.05 meters) above finished grade, roofs, walks, or driveways, and 12 feet (3.66 meters) above swimming pools or other bodies of water.
Read on to learn more about service drop conductors.
What is a service drop?
Service drop refers to the power line that runs from the utility pole to a structure or building.
The wire that runs from the utility pole to the home or building is known as a service drop conductor. It's also referred to as the "drop."How high above the ground should service drop conductors be?
The clearance needed for service drop conductors is determined by the voltage and size of the conductors. The minimum clearance required for service drop conductors is 10 feet (3.05 meters) above finished grade, roofs, walks, or driveways, and 12 feet (3.66 meters) above swimming pools or other bodies of water. A higher voltage system would require greater clearance.
What factors determine the clearance required for service drop conductors?
The required clearance for service drop conductors is determined by the following factors:
Voltage of the system Size of conductors
The following are the minimum clearance requirements for service drop conductors:10 feet above finished grade, roof, walks, or driveways.12 feet above swimming pools or other bodies of water.
For higher voltage systems, a larger clearance is necessary.
How do I make sure that my service drop is safe?
Consult an electrician to ensure that your service drop is correctly installed and meets the necessary clearance requirements. Any tree branches or vegetation that may obstruct the service drop's clearance should be trimmed.
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List three main commodity areas that drive agriculture
Answers
Common agricultural commodities include dairy products, wheat, and coffee. You can invest in and “trade” these products virtually, without running a farm and purchasing and storing the items yourself.
Which activity is accomplished as part of the monitoring and controlling process? Completing the project documentation Completing the lessons learned review Assessing project quality Creating the network diagram
Answers
As part of the monitoring and controlling process in project management, one of the activities accomplished is assessing project quality.
This involves evaluating and measuring the project's deliverables and performance against predefined quality standards and criteria. It ensures that the project outputs meet the desired level of quality and helps identify any deviations or issues that may arise during project execution. This activity helps project managers take corrective actions and make necessary adjustments to maintain or improve project quality.
While completing project documentation, completing the lessons learned review, and creating the network diagram are important tasks in project management, they may be associated with other processes such as project closing, project review, or project planning, respectively, rather than being specifically part of the monitoring and controlling process.
Therefore, one of the activities accomplished is assessing project quality.
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A centimeter is Viooth of a meter, while a kilo-
meter is equal to 1000 meters.
a. True
b. False
Answers
Answer:
b. False
Explanation:
A centimeter is a hundredth of a meter. This means 1/100 ,1 cm = 0.01 m
A kilo is 1000 grams.
The first answer is false because a hundredth isnot written well.
The second statement is false because the comparison given is of different units of measure. For distance is meters where as for weight is kilograms.
In python, how would I randomize numbers and insert them into a file?
Answers
The cost to rent a scooter is $15.50 per hour and the cost to rent a watercraft is $22.80 per hour use the expression 15.5 S +22.8 W you The cost to rent a scooter is $15.50 per hour and the cost to rent a water craft is $22.80 per hour use the expression 15.5 S +22.8 W you you
Answers
Complete Question:
The cost to rent a scooter is $15.50 per hour and the cost to rent a watercraft
is $22.80 per hour. Use the expression 15.5s + 22.8w to determine how much it would cost to rent a scooter for 3 hours and a watercraft for 1 hours.
Answer:
$69.39
Explanation:
Given
15.5s + 22.8w
Required
Evaluate, when w = 1 and s = 3
To do this, we simply substitute 3 for a and 1 for w in the given expression.
15.5s + 22.8w becomes..
15.5 * 3 + 22.8 * 1
46.5 + 22.8
69.3
Hence, the cost is $69.30
a bolted joint with a joint coefficient ofo,42 experiences an alternating extemal tensile load between o anc! 15 kn. the boit is initia=y p「eio∂ded to 25 kn. what is most near the maximum boit load?
a. 5.0 kN/mm
b. 11 kN/mm
c. 12 kN/mm
d. 15kN/mm
Answers
The maximum bolt load in the given scenario, considering a joint coefficient of 0.42, alternating external tensile load of 15 kN, and initial preload of 25 kN, is approximately e. 31.3 kN/mm.
Given that a bolted joint with a joint coefficient of 0.42 experiences an alternating external tensile load between 0 and 15 kN. The bolt is initially preloaded to 25 kN.
We have to find the most approximate maximum bolt load. A joint coefficient is the ratio of the load transferred in a bolt to the external tensile load applied on the joint.
Mathematically, it can be represented as: Joint coefficient = Load transferred / External tensile load applied
The maximum bolt load can be calculated using the formula;
Maximum bolt load = (joint coefficient × external tensile load applied) + initial preload
Maximum bolt load = (0.42 × 15 kN) + 25 kNMaximum bolt load = 6.3 kN + 25 kNMaximum bolt load = 31.3 kNThus, the most approximate maximum bolt load is 31.3 kN. Therefore, option (E) is correct.
Note: There is no option for 31.3 kN, the closest value to 31.3 kN is 32 kN, which is not among the given options.
Here is the complete question. A bolted joint with a joint coefficient ofo,42 experiences an alternating extemal tensile load between o anc! 15 kn. the boit is initia=y p「eio∂ded to 25 kn. what is most near the maximum boit load?
a. 5.0 kN/mm
b. 11 kN/mm
c. 12 kN/mm
d. 15kN/mm
e. 31.3 kN/mm
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I'll give brainliest,pls help.in a small paragraph explain a series circuit,it's basically for a presentation 8th grade work
Answers
Answer:
electric circuit, a conduit for moving current. A battery or generator, a device that provides energy to the charged particles that make up the current, a device that uses current, such as a lamp, an electric motor, or a computer, and the connecting wires or transmission lines make up an electric circuit. Ohm's law and Kirchhoff's rules are two fundamental laws that quantitatively define how electric circuits function.
network in series
circuit parallel
There are various categories in which to place electric circuits. Only one direction of current can flow through a direct-current circuit. As in most residential circuits, an alternating-current circuit transports current that pulses back and forth repeatedly every second. (To learn more about direct and alternating current circuits, visit electricity: Direct electric
Explanation:
is this good? please mark brainliest
can someone tell me what is the most happy song and the most sad: alguien me puede decir cual es la cancion mas feliz y la triste.
Answers
It is subjective to determine the "most happy" and "most sad" song as it varies from person to person. Different songs can evoke different emotions in different people.
However, some songs that are commonly considered to be happy include "Happy" by Pharrell Williams, "Don't Stop Believin'" by Journey, and "I Will Always Love You" by Whitney Houston. Some songs that are commonly considered to be sad include "Everybody Hurts" by R.E.M., "Tears in Heaven" by Eric Clapton, and "My Heart Will Go On" by Celine Dion.
What makes a song happy?The emotions that a song evokes in a listener are subjective, meaning that they can vary from person to person. For example, a song that one person finds to be happy and uplifting, another person may find to be sad or melancholy. This is because emotions are personal experiences that are shaped by a person's individual life experiences, beliefs, and attitudes.
Therefore, Regarding the songs mentioned, "Happy" by Pharrell Williams, "Don't Stop Believin'" by Journey, and "I Will Always Love You" by Whitney Houston are considered happy songs because they have upbeat tempos, positive lyrics, and a cheerful sound that can make people feel good.
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PLEASE HELP give an example of how scientists, technologists, engineers, and mathematicians may work together when inventing or innovating a new product. Include the role of each profession.
Answers
An example of them working together would be something like building a robot. Technologists would work on this project bc they would code the robot. Engineers would work on this bc they would design the interior. A mathematician would work in this bc a mathematician would calculate the angels of when a robot picks something up or when it turns. A scientist would work on this bc the scientist know about physics. You need physics so u know how much force to apply, how much energy to use, how much mass u need, and how much charge u need.
Explanation:
A jet issues from the side of a tank under a head of 2.7m. The side of the tank has an inclination of one horizontal and two vertical. The total depth of the tank is 5.8m. Determine the theoretical velocity of the jet as it strikes the plane 0.85m below the bottom of the tank.
Answer is not found in the given choices
22.411m/s
11.422m/s
42.211m/s
Answers
The theoretical velocity of the jet as it strikes the plane below the bottom of the tank is 8.343 m/s.
Given:
h₁ = 2.7 m (head of the tank)
h₂ = 5.8 m (total depth of the tank)
h = 0.85 m (height below the bottom of the tank)
g = 9.8 m/s² (acceleration due to gravity)
To determine the theoretical velocity of the jet as it strikes the plane below the bottom of the tank, Bernoulli's equation can be used.
The equation can be written as:
\(P_1 +\frac{1}{2} \rho v_1^2 + \rho gh_1 = P_2 + \frac{1}{2} \rho v_2^2 + \rho gh_2\)
Where:
P₁ and P₂ are the pressures at points 1 and 2,
v₁ and v₂ are the velocities at points 1 and 2,
ρ is the density of the fluid,
g is the acceleration due to gravity,
h₁ and h₂ are the heights at points 1 and 2.
It can be assumed that the pressure at both points is atmospheric pressure, so P₁ = P₂.
Also, since the velocity at point 1 is negligible compared to the velocity of the jet, the term \(\frac{1}{2} \rho v_1^2\) can be ignored.
Now, let's substitute the given values into Bernoulli's equation:
\(0 + 0 + \rho gh_1 = 0 + \frac{1}{2} \rho v_2^2 + \rho gh_2\)
Simplifying the equation, we have:
\(gh_1 = \frac{1}{2} v_2^2 + gh_2\)
\(v_2^2 = 2gh_1 + 2gh_2\\v_2 = \sqrt{(2gh_1 + 2gh_2)}\)
Substituting the given values:
\(v_2 = \sqrt{(2 \times 9.8 times 2.7 + 2 times 9.8 \times0.85)}\\v_2 = \sqrt{(52.92 + 16.67)}\\v_2 = \sqrt{69.59\\v_2 = 8.343 m/s\)
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The steel shaft has a diameter of 40 mm and is fixed at its ends A and B . If it is subjected to the couple determine the maximum shear stress in regions AC and CB of the shaft. G st = 75 GPa.
Q6/
Answers
Answer:
See explanation.
Explanation:
Since no figure was given I solved a problem that was similar to the one you described that I worked in my mechanics of materials class. The method should be very similar for your figure. See attached image for my work.
If it is subjected to the couple determine the maximum shear stress in regions AC and CB of the shaft. G st = 75 GPa. Than the answer will be 52Mpa.
What we need to perform?We need to perform a two step process to obtain the maximum shear stress on the shaft. For the solid shaft,
P=2×pi×N×T/60 or T=60×p/2×pi×N
Where P=power transmitted by the shaft=50×10³W
N=rotation speed of the shaft in rpm=730rpm
Pi=3.142
T is the twisting moment
By substituting the values for pi, N and P, we get
T=654Nm or 654×10³Nmm
Also, T=pi×rho×d³/16 or rho=16×T/pi×d³
Where rho=maximum shear stress
T = twisting moment=654×10³Nmm
d= diameter of shaft= 40mm
By substituting T, pi and d
Rho=52Mpa
b. For a hollow shaft, the value for rho is unknown
T=pi×rho(do⁴-di⁴/do)/16
Rho=T×16×do/pi×(do⁴-di⁴)
Where
T= twisting moment=654×10³Nmm gotten above
do=outside shaft diawter=40mm
di= inside shaft diameter =30mm
Pi=3.142
Substituting values for pi, do, di and T.
Rho=76Mpa
Therefore, If it is subjected to the couple determine the maximum shear stress in regions AC and CB of the shaft. G st = 75 GPa. Than the answer will be 52Mpa.
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2
2 +
= 0, (0) = 3,
′
(0) = −.
Answers
Answer:
the answer is equal to 246890
69.48 / 7.2 = 965 use number sense
Answers
Answer: See explanation
Explanation:
69.48 / 7.2 = 965 as written in the question isn't correct. The correct answer should have been:
69.48 / 7.2 = 9.65
It should be noted that when we divide, the answer that one gets cannot be more than the two numbers that were used for the division. Hence, there's no way that 965 would be more than 69.48 and 7.2.
Two sides and the included angle of triangle were measured as under
A = 757.64 +0.045 m
B = 946.70+ 0.055 m
C = 54°18+25"
Answers
Based on the calculations, the area of this triangle is equal to 290,136.87 m².
Given the following data:
Side A = 757.64 +0.045 m.Side B = 946.70+ 0.055 m.Angle, C = 54°18'25"How to calculate the area of this triangle?Mathematically, the area of a triangle can be calculated by using this formula:
Area = 1/2 × b × h
Where:
b is the base area.h is the height.In this scenario, the area of this triangle is given by:
Area = 1/2 × a × b × sinC
Substituting the given parameters into the formula, we have:
Area = 1/2 × 757.64 × 946.70 × sin(54°18'25")
Area = 580,273.74/2
Area = 290,136.87 m².
Next, we would determine the probable error of the area by using this formula:
\(PE_A = \pm k \sqrt{PE} \\\\PE_A = \pm \frac{1}{2} \times sinC \sqrt{(aPE_b)^2 + (bPE_a)^2 } \\\\PE_A = \pm \frac{1}{2} \times sin(54^{\circ}18'25") \times \sqrt{(757.64 \times 0.045)^2 + (946.70 \times 0.055)^2 } \\\\PE_A = \pm 0.4045 \times \sqrt{1,162.39 +2,711.12}\\\\PE_A = \pm 0.4045 \times \sqrt{3,873.51}\\\\PE_A = \pm 0.4045 \times 62.2375\\\\PE_A = \pm25.1751 \;m^2\)
Therefore, probable error of the area is equal to ±25.1751 m².
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Complete Question:
Two sides and the included angle of a triangle were measured and the probable error of each value were computed as follows:
A = 757.64 +0.045 m
B = 946.70+ 0.055 m
C = 54°18'25"
Determine the area of the triangle and the probable error of the area.
Which of the following connects the middle ear to the back of the nose and helps keep the
pressure equal?
A: Eustachian tubes
B: Semicircular canals
C Eardrums
D: Ossicles
Answers
Critically explain the scope of geoenvironmental engineering.With neat sketch, explain the multiphase behavior of soil in terms of geoenvironmental engineering point of view.What are the different types of engineered landfills based on site topography and capacity requirements?
Answers
Geo environmental engineering is a branch of engineering that deals with the interaction between the geologic and environmental aspects of a project. It involves an understanding of the geological environment and how it affects the project and the environment.
It encompasses soil mechanics, rock mechanics, hydrology, and environmental engineering. Geo environmental engineering is also concerned with understanding the behavior of soil under different conditions, including the multiphase behavior of soil. Soil behavior is of interest to geo environmental engineering because the presence of water or other liquids in the soil affects its strength, stiffness, and compressibility.
Multiphase behavior of soil involves the interaction between soil, water, and air in the soil. Soil in its natural state can contain different amounts of water and air, and the behavior of soil depends on the relative proportions of these different phases.
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What are the main types of coaxial cable? Choose two.
UTP
STP
RG-6
RG-59
Answers
The main types of coaxial cable are RG-6 and RG-59.
UTP (unshielded twisted pair) and STP (shielded twisted pair) are types of copper cabling used in Ethernet networks, and are not considered coaxial cables.
RG-6 and RG-59 are used for transmitting video signals, including cable TV, satellite TV, and security camera systems. RG-6 has a larger diameter, lower loss, and can carry signals over longer distances than RG-59. RG-6 is commonly used in professional installations and for high-definition video, while RG-59 is often used in residential installations or for lower-resolution video. Both RG-6 and RG-59 have a center conductor, a layer of insulation, a braided shield, and an outer jacket.
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