Convert the C to assembly. Assume first parameter is in $to, second parameter is in $t1, and return value is in $t2. int CalcFunc (int aVal, int bVal) { return bVal + (aVal * 40); Registers $zero $t0 $t1 $t2 0 0 $t3 $ra 160
Answers
To convert the given C code to assembly code, considering the given register assignments, the corresponding assembly code would be as follows:
CalcFunc:
# Prologue
addi $sp, $sp, -4 # Allocate space on the stack
sw $ra, 0($sp) # Save the return address
# Perform the calculation
lw $t2, 0($t1) # Load bVal from memory into $t2
mul $t3, $t0, 40 # Multiply aVal by 40 and store result in $t3
add $t2, $t2, $t3 # Add bVal and (aVal * 40), store result in $t2
# Epilogue
lw $ra, 0($sp) # Restore the return address
addi $sp, $sp, 4 # Deallocate space on the stack
jr $ra # Return to the caller
In this assembly code, the lw instruction is used to load values from memory, the mul instruction is used for multiplication, and the add instruction is used for addition. The values of aVal and bVal are accessed from the registers $t0 and $t1 respectively, and the result of the calculation is stored in the register $t2. The return address is saved and restored using the stack. Finally, the jr instruction is used to return to the caller.
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Related Questions
An automobile having a mass of 1100 kg initially moves along a level highway at 120 km/h relative to the highway. It then climbs a hill whose crest is 80 m above the level highway and parks at a rest area located there. Use a reference with kinetic and potential energy each equal to zero for the stationary highway before the hill. Let g = 9.81 m/s^2.
For the automobile, determine its change in kinetic energy and its change in potential energy, both in kJ. For the automobile, determine its change in kinetic energy, in kJ.
a. -8594
b. -663.1
c. -6.63x10^5
d. 663.1
Answers
Answer:
\(-6111.11\ \text{kJ}\)
\(863.28\ \text{kJ}\)
Explanation:
m = Mass of automobile = 1100 kg
v = Velocity of car = 120 km/h = \(\dfrac{120}{3.6}\ \text{m/s}\)
h = Height of hill = 80 m
g = Acceleration due to gravity = \(9.81\ \text{m/s}^2\)
Change in kinetic energy
\(KE=\dfrac{1}{2}m(u^2-v^2)\\\Rightarrow KE=\dfrac{1}{2}\times 1100\times (0-(\dfrac{120}{3.6})^2)\\\Rightarrow KE=-611111.11\ \text{J}\)
Change in kinetic energy is \(-6111.11\ \text{kJ}\)
Change in potential energy is given by
\(PE=mgh\\\Rightarrow PE=1100\times 9.81\times 80\\\Rightarrow PE=863280\ \text{J}\)
The change in potential energy is \(863.28\ \text{kJ}\).
pacing pieces of information into groups to remember them better is called
a.
Visualizing
c.
Rhyming
b.
Keywording
d.
Categorizing
Please select the best answer from the choices provided
Answers
Answer:
D. Categorizing
Explanation:
pls mark me as your brainlist
Answer:
D
Explanation:
a pretimed four-timing-stage signal has critical lane group flow rates for the first three timing stages of 200, 187, and 210 veh/h (saturation flow rates are 1800 veh/h/ln for all timing stages). the lost time is known to be 4 seconds for each timing stage. if the cycle length is 60 seconds, what is the estimated effective green time of the fourth timing stage?
Answers
A pre-timed four-timing-stage signal has critical lane group flow rates for the first three timing stages of 200, 187, and 210 veh/h (saturation flow rates are 1800 veh/h/ln for all timing stages). The lost time is known to be 4 seconds for each timing stage. If the cycle length is 60 seconds,
In the given problem, it is known that the lost time for each timing stage is 4 seconds and that the cycle length is 60 seconds. The total time lost in the three timing stages is therefore\(3 × 4 = 12\)seconds.
The sum of the critical flow rates for the first three timing stages is \(200 + 187 + 210 = 597 veh/h\).The saturation flow rate for each timing stage is \(1800 veh/h/ln\).
There are 4 lanes, therefore, the saturation flow rate for 4 lanes will be \(4 x 1800 = 7200 veh/h\). Saturation flow rate - critical flow rate = unused time = \(7200 - 597 = 6603 veh/h\)
Now we must divide the unused time by 60 seconds to get the estimated effective green time.
\(6603 / 60 = 110.05 veh/s\)
Since\(110.05 veh/s\) is equivalent to \(6603 veh/min\)and the estimated effective green time is in minutes, we must divide by \(60.6603 / 60 = 110.05 veh/s\)
Therefore, the estimated effective green time of the fourth timing stage is approximately 110 seconds.
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What strategy may help a visual learner process data?
Answers
A strategy that may help a visual learner process data is a pie chart or histogram.
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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5. Which one of the following surveying instruments would be used when extremely accurate measurements are required?
O A. Builder's level
O B. Theodolite
O C. Laser level
O D. Automatic level
Answers
Briefly explain thermal expansion using the potential energy–versus–interatomic spacing curve.
Answers
As the temperature of the material increases, the potential energy of the molecules increases. Thermal expansion occurs due to changes in temperature, and interatomic distances increase as potential energy increases.
What are the uses of Thermal Expansion?Thermal expansion is used in a variety of applications such as rail buckling, engine coolant, mercury thermometers, joint expansion, and others.
It is to be noted that an application of the concept of liquid expansion in everyday life concerns liquid thermometers. As the heat rises, the mercury or alcohol in the thermometer tube moves in only one direction. As the heat decreases, the liquid moves back smoothly.
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1. The reference OSHA standard requires several important characteristics of a PFAS:
It must limit the maximum arresting force imparted to the body to
with the full
body harness.
Answers
The reference OSHA standard requires several important characteristics of a PFAS. The employer must ensure that personal fall arrest systems (PFAs) must:
a. Limit the maximum arresting force on the employee to 1,800 pounds (8 kN). The figure used above must be based on the use of a full body harness.
Maximum arresting force is the highest amount of force that the fall protection system and the individual attached to the system will face as gotten by the deceleration device.OSHA regulations gives the system performance criteria for a personal fall arrest system.
From the above, we can therefore say that The reference OSHA standard requires several important characteristics of personal fall arrest systems (PFAs) as employers must reduce the maximum arresting force on the employee to 1,800 pounds (8 kN) using full body harness.
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In Female, the twenty-third pair of chromosomes is called in in
Answers
Can someone tell me what car year and model this is please
Answers
Answer:
i think 1844
Explanation:
2005 BMW 5 Series , that should be it
David wishes to accumulate $1million by the of 20 years by making equal anual end of year deposits over the next 20 years if david can earn 10%on his envestment how much he deposit at the end of each year
Answers
Answer:
Explanation:
We can use the formula for calculating the future value of an annuity to determine the amount that David needs to deposit each year. The formula is:
A = F / ( (1 + r)^n - 1) / r
where:
A is the annual deposit
F is the future value ($1 million)
r is the interest rate (10%)
n is the number of years (20)
Plugging in the values, we get:
A = 1000000 / ( (1 + 0.1)^20 - 1) / 0.1
A = $38,851.68
Therefore, David needs to deposit $38,851.68 at the end of each year for 20 years to accumulate $1 million.
A project has the following characteristics': 1. Finite, 2. Complex undertakings, 3. Homogeneous, 4. Non-repetitive
Question 4 options:
a)
1,2 and 4
b)
1,3 and 4
c)
1,2 and 3
d)
1,2,3 and 4
e)
none of a,b,c and d
Answers
1, 3, and 4 are the answers. A project that is finite, homogenous, and non-repetitive has a specified beginning and ending date, a focused goal, and a certain set of intricate actions that are unique and never occur again.
What three different project types are there?There are three major types of initiatives to think about: Project types include operational, compliance, and strategic projects.
What are the three project management guiding principles?Plan, Do, Check, Act is a simple formula. Deming's formula hasn't been enhanced by anyone, and I doubt they ever will. I was first inclined to enumerate the procedures or phases that are typically included when talking about project management—planning, estimating, documenting, etc.—in order to provide a more thorough response.
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observed from the exterior, a high neutral plane may indicate that the fire is in the early stages of development, or could indicate:
Answers
A high neutral plane, as seen from the outside, may signify that the fire is only beginning to spread or it may be a sign of inadequate ventilation, overheated combustibles, or a low oxygen environment.
Describe ventilation.
The act of breathing, also known as ventilation, involves moving air into and out of the lungs in order to allow gas exchange with body's internal environment, primarily to expel carbon dioxide and draw in oxygen. All aerobic organisms require oxygen for cellular respiration, which uses carbon dioxide as a waste byproduct and obtains energy from the reaction of oxygen with proteins received form food. Air is introduced into the lungs during breathing, also known as "external respiration," when gas is exchanged in the alveolar through dispersion.
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On a negatively grounded system, the
Jump Pack negative clamp should be
attached to the when engine starting.
Answers
Answer:
Explanation:
The positive (red) cable should be attached to the positive terminals on each battery. The negative (black) cable should have one end attached to the negative terminal of the dead battery, and one end grounded.
Start by connecting the positive (often red) clamps of the jumper cables to the positive terminals of your battery. These are often marked, but they can be hard to see. Be sure to look closely to ensure that you are connecting to the right portion of the battery.
True or false for the 4 questions?
Answers
Answer:
true, false, true, true
Explanation:
explain why steel is ductile at room temperature, but may be brittle at a low temperature. (b) a number of treatments can affect the yield strength of the steel, e.g., work hardening, tempering (modifying the precipitates), grain growth (changing the grain size), etc. to minimize the brittle-to-ductile transition temperature (tbd), should we try to increase or decrease the yield strength?
Answers
Steel is ductile at room temperature, but it may become brittle at low temperatures. Steel, in its pure form, is a crystalline structure that has iron atoms in the center of the cube, surrounded by atoms of carbon or iron.
This lattice structure enables the iron and carbon atoms to move freely, making steel ductile. This ductility is due to the ease with which iron and carbon atoms are allowed to slide past each other when under stress, resulting in the ductile nature of steel. It means steel can be formed or stretched into various shapes without breaking or cracking. In the case of low temperatures, the atoms within the lattice structure are restricted in their movement, limiting the ability of iron and carbon atoms to slide past each other. The brittleness of steel increases as the temperature decreases, limiting its ductility. The yield strength of steel can be influenced by several processes, including work hardening, tempering, and grain growth. Increasing the yield strength increases the brittle-to-ductile transition temperature, resulting in increased brittleness. This leads to an increased risk of failure of steel structures. Decreasing the yield strength of steel reduces the brittle-to-ductile transition temperature, resulting in a higher ductility for steel. It would be better to reduce the yield strength of steel to minimize the brittle-to-ductile transition temperature.
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Differential Leveling
correct BS rod reading and correct FS rod reading for curvature and refraction before computing HI and elevation of TP1
BM A elevation = 462.43'
BS (plus) rod reading = 8.23'
Horizontal distance to BS rod from instrument = 1,791.62'
FS (minus) rod reading = 2.54'
Horizontal distance to FS rod from instrument = 1,118.57"
What is the elevation of TP1?
Round answer to 2nd decimal place
example answer 975.25
don't enter units.
Answers
The angular speed of the rod, when it lands on the horizontal surface is 1.61 rad/s.
(b) The the angular acceleration of the rod, just before it touches the horizontal surface is 1.06 rad/s² .
Angular acceleration of the rod
The angular acceleration of the rod is calculated as follows;
Apply the principle of conservation of angular momentum;
τ = Iα
where;
τ is torque
I is moment of inertial of the rod
α is the angular acceleration
τ = Fr = mg(L/2) cosθ
I = mL²/3
mg(L/2) cosθ = mL²/3(α)
g(1/2) cosθ = L/3(α)
(³/₂)g cosθ = L(α)
(³/₂ L)g cosθ = α
1.5Lg cosθ = α
1.5(2.1) cos (70.4) = α
1.06 rad/s² = α
Angular speed of the rod
ωf² = ω₁² + 2αθ
ωf² = 0 + 2(1.06)(70.4π/180)
ωf² = 2.605
ωf = √2.605
ωf = 1.61 rad/s
Thus, the angular speed of the rod, when it lands on the horizontal surface is 1.61 rad/s.
The the angular acceleration of the rod, just before it touches the horizontal surface is 1.06 rad/s² .
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define a class named history with the following public interface: class history { public: history(int nrows, int ncols); bool record(int r, int c); void display() const; }; the constructor initializes a history object that corresponds to an arena with nrows rows and ncols columns. you may assume (i.e., you do not have to check) that it will be called with a first argument that does not exceed maxrows and a second that does not exceed maxcols, and that neither argument will be less than 1. the record function is to be called to notify the history object that a poisoned carrot has been dropped at a grid point that does not currently have a poisoned carrot. the function returns false if row r, column c is not within the bounds implied by the history constructor; otherwise, it returns true after recording what it needs to. this function expects its parameters to be expressed in the same coordinate system as an arena (e.g., row 1, column 1 is the upper-left-most position). the display function clears the screen and displays the history grid as the posted programs do. this function does clear the screen, display the history grid, and write an empty line after the history grid; it does not print the press enter to continue. after the display (that should be done somewhere else in the program). (note to xcode users: it is acceptable that clearscreen() just writes a newline instead of clearing the screen if you launch your program from within xcode, since the xcode output window doesn't have the capability of being cleared.)
Answers
The logical point where different software entities communicate is known as a public interface in computer science.
What is meant by public interface?The logical point where different software entities communicate is known as a public interface in computer science. A single computer, a network, or a variety of other topologies may be used for the entities to interact with one another.A class's public properties and methods (variables or fields you may read the values of or assign to) form its public interface (functions you can call). Therefore, the task is to develop something that is not a subclass of LinkedList.For instance, protected methods could be accessed by creating a subclass.Due to the fact that an interface is a contract meant to be utilized by other classes, interface methods are implicitly public in C#. Moreover, when you implement these methods, you have to declare them to be public rather than static.To learn more about public interface refer
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a commercial refrigerator with r-134a as the working fluid is used to keep the refrigerated space at -35 c by rejecting waste heat to cooling water that enters the condenser at 18 c at a rate of 0.25 kg/s and leaves at 26 c. the refrigerant enters the condenser at 1.2 mpa and 50 c and leaves at the same pressure subcooled by 6 c. if the compressor consumes 3.3 kw of power , determine (a) the mass flow rate of the refrigerant, b) the refrigerant load, c) the cop, and d) the minimum power input to the compressor for the same refrigeration load.
Answers
At 1.2mpa pressure and 50c
What is pressure?
By pressing a knife against some fruit, one can see a straightforward illustration of pressure. The surface won't be cut if you press the flat part of the knife against the fruit. The force is dispersed over a wide area (low pressure).
a)Mass flow rate of the refrigerant
Therefore h1= condenser inlet enthalpy =278.28KJ/Kg
saturation temperature at 1.2mpa is 46.29C
Therefore the temperature of the condenser
T2 = 46.29C - 5
T2 = 41.29C
Now,
d)power consumed by compressor W = 3.3KW
Q4 = QL + w = Q4
QL = mR(h1-h2)-W
= 0.0498 x (278.26 - 110.19)-3.3
=5.074KW
Hence refrigerator load is 5.74Kg
(COP)r = 238/53
(Cop) = 4.490
Therefore the above values are the (a) mass flow rate of the refrigerant, b) the refrigerant load, c) the cop, and d) the minimum power input to the compressor for the same refrigeration load.
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in order to calculate the dispersion of contaminants in a room, one can use a large number of langrangian particles in a random process.TrueFalse
Answers
True. The dispersion of contaminants in a room can be modeled using a large number of Lagrangian particles in a random process. In this approach, the movement of each particle is tracked as it moves through the room, and the concentration of contaminants at different points in the room is calculated based on the distribution of the particles. This allows researchers to understand how the contaminants will spread throughout the room and how long they will remain in the air.
Lagrangian particle modeling is a useful tool for predicting the dispersion of contaminants in indoor environments, as it takes into account the influence of the room's geometry and the flow of air within the space. It can be used to evaluate the effectiveness of ventilation systems and to identify potential areas of high contaminant concentrations that may pose a risk to the occupants of the space.
Overall, the use of Lagrangian particles in a random process is a useful technique for understanding the dispersion of contaminants in indoor environments and for identifying strategies to reduce the risks associated with exposure to these contaminants.
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technician a says to correct ride height by performing a wheel alignment. technician b says to check for bent suspension components if ride height is incorrect. who is right?
Answers
Technician A is right due to the fact if one facet is exceptional in peak it'll motive a pull. Ride height motive camber and need to be corrected earlier than any alignment adjustments.
To check ride height you could observe those steps:
Park the automobile on stage floor.Roll the automobile ahead and lower back permitting the suspension to relax.Grab your tape degree.Starting on the the front drivers facet wheel, degree from the middle of the wheel to the middle of the fender starting and note.Ride height or floor clearance may be defined as the quantity of area among the bottom of an vehicle tire and the bottom factor of the vehicle (normally the axle); or, greater properly, to the shortest distance among a flat, stage surface, and the bottom a part of a automobile apart from the ones elements designed to touch the floor.
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Identify an object in your house that contains a physical system and list three questions you could use to define the system
Answers
Answer:
ALL CAREFULLY ANSWERED CORRECTLY
Explanation:
1) A loaf of Bread PHYSICAL SYSTEM
✓ How can the environment affect the edibility of the bread
✓ What are the constituents that makes up the bread
✓ What process is involved in these constituents mixing to form the loaf.
2) The law of thermodynamics makes us to understand that when heat/energy passes through a system, the systems internal energy changes with respect to the conservation of energy law. That is energy lost = energy gained. Typically, ice would melt in a cup of hot tea because of the thermal energy in the molecules of the hot tea. When you heat a material, you are adding thermal kinetic energy to its molecules and usually raising its temperature. The temperature of the ice raises due to the kinetic energy added to it and it melts to water.
3) The theory of systems view the world as a complex system of interconnected parts. If we consider the society; (financial systems, political systems, etc) we will agree that they individually have their own components and it's the summation of this components that makes the system, this implies that system thinking could be applicable in this kinda of systems as long as they are made up of components.
4) Technology has boosted every sector of our lives and it has the capacity to do more. Restricting it's importance to entertainment alone would be an underusing of its potentials. Engineering students infact should not need any drive to be encouraged about maximizing all it can do in shaping our world.
5) ~ Nature shows its splendid soul
~Never ceases to leave us in amazement
~And we are in love
An object that contains a physical system is a T.V. remote control. Three questions that contain physical systems are:
Is air a physical system?What steps are taken to combine these ingredients to create the loaf?How might the environment impact the bread's palatability?What is a physical system?Sensors, motors, and robots are examples of physical systems. The use of the TV remote controls, traffic lights, security systems, air conditioning systems, and automatic doors are just a few examples given. We give explanations for why we employ physical systems.
A physical system is made up of components or elements that when put together display behavior that its component parts alone do not. (Biological systems and living systems are included in this definition.) The two components of physical systems are matter and energy.
Therefore, a TV remote control is an item that houses a physical system. Three questions are:
Is the air a system of matter? How are these ingredients mixed together to make the loaf? How may the flavor of the bread be affected by the surroundings?To learn more about the physical system, refer to the link:
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by how many microseconds is the load voltage out of phase with the source voltage? express your answer in microseconds to three significant figures. view available hint(s)
Answers
The voltage function v ( t ) is initially expressed in terms of sine, while the current function I ( t ) is initially expressed.
Phase shift is the term used to describe the different positions of two sinusoidal waveforms at a specific time moment. By determining the relationship between the current and voltage waveforms of the specific circuit, the phase shift is utilized to assess the functions of the circuit.
One millionth of a second is equal to one microsecond in the International function of Units. When Unicode is unavailable, we may be given a reduced version of its symbol, which is s. One thousandth of a millisecond, or 1000 nanoseconds, is a microsecond.
A microsecond is one millionth (10 -6) of a second (us or Greek letter mu plus s). As a point of reference, a millisecond (ms or msec) is one thousandth of a second and is frequently used to gauge how quickly data is read from or written to a hard drive, a CD-ROM player, or transferred over the Internet.
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1. In a base bias configuration with a supply voltage is 15v, what does Ver equal when reverse biased?
a. 7.5V
b. OM
c. 15V
d. the Q point
Answers
When inspecting tires, what should you look for?
Answers
Answer: Tire pressure tire tread and sidewalls.
Explanation:
Answer:
Tire pressure tire tread and the sidewalls
PLEASE READ PLEASE READ, IN EXCEL,YOU WILL NEED TO ADD A TAB AND LABEL IT DASHBOARD.
Add a new tab entitled Dashboard:
Build the dashboard depicted in the homework 8 Word document by:
Setting a gray background
Copying and pasting the three pivot charts we have built in the previous steps
Inserting slicers for Employee Last Name and Region
Ensure these slicers dynamically interact with all three charts by selecting each slicer, right mouse clicking, choosing report connections and selecting the appropriate check boxes
Test your dashboard to ensure that:
All of the charts interact with the slicers
When you drill down into the region and employee last names you see the corresponding pivot tables dynamically update as well.
Answers
In Excel, to build a dashboard we need to add a tab and label it as Dashboard. Then, we set a gray background and copy-paste the three pivot charts we have built in the previous steps. Also, we insert slicers for Employee Last Name and Region.
We ensure these slicers dynamically interact with all three charts by selecting each slicer, right mouse clicking, choosing report connections, and selecting the appropriate check boxes. Finally, we test the dashboard to ensure that all of the charts interact with the slicers and when we drill down into the region and employee last names we see the corresponding pivot tables dynamically update as well.The steps to build a dashboard in Excel are as follows:
Step 1: Add a tab and label it as Dashboard
Step 2: Set the gray background
Step 3: Copy-paste the three pivot charts we have built in the previous steps
Step 4: Insert slicers for Employee Last Name and Region
Step 5: Ensure these slicers dynamically interact with all three charts by selecting each slicer, right mouse clicking, choosing report connections and selecting the appropriate check boxes
Step 6: Test the dashboard to ensure that all of the charts interact with the slicers
Step 7: When we drill down into the region and employee last names we see the corresponding pivot tables dynamically update as well.To create a dynamic dashboard, it is important to choose the correct chart types, slicers, and chart sizes and locations. Slicers are used to filter the data in the pivot tables and charts. Charts in Excel can be easily resized, formatted, and customized to make it more attractive and informative to users.To ensure that all of the charts interact with the slicers, we should select each slicer and check if the charts are changing accordingly. Finally, we need to test the dashboard to ensure that it is working as expected.
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How does Python handle memory management compared to other programming languages?
Answers
Answer:
Python optimizes memory utilization by allocating the same object reference to a new variable if the object already exists with the same value
Attempting to start an engine that is already running may result in
answer choices
Warning lights being illuminated
Electrical system damage
Expensive starter damage
Damage to the selector lever
Answers
Expensive starter damage may result from attempting to start an engine that is already running.
What do the warning lights on the alternator indicate?Your alternator's light can be either a battery or an ALT, both of which can indicate that it is not functioning properly. If you don't have an alternator, your battery won't keep getting charged. Your alternator recycles energy and charges your battery while you drive.
After turning the ignition switch to the on position, how do you start a car?Start the gasoline (petrol) engine by moving the ignition switch to the start position while keeping the clutch pedal and brake pedal depressed. After turning the ignition switch to START and remaining there for a maximum of ten seconds, release the key.
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Test if a number grade is an A (greater than or equal to 90). If so, print "Great!". Hint: Grades may be decimals. Sample Run Enter a Number: 98.5 Sample Output Great!
Answers
Answer:
In Python:
grade = float(input("Enter a Number: "))
if grade >= 90:
print("Great!")
Explanation:
This prompts the user for grade
grade = float(input("Enter a Number: "))
This checks for input greater than or equal to 90
if grade >= 90:
If yes, this prints "Great"
print("Great!")
What is the maximum rating of the motor branch-circuit short-circuit and ground-fault protective device for a 7 1/2-horsepower, 208-volt, 3-phase squirrel-cage induction motor using time-delay fuses?.
Answers
The maximum rating of the motor branch-circuit short-circuit and ground-fault protective device for a 7 1/2-horsepower, 208-volt, 3-phase squirrel-cage induction motor using time-delay fuses is approximately 45 A.
To determine the maximum rating of the motor branch-circuit short-circuit and ground-fault protective device for a 7 1/2-horsepower, 208-volt, 3-phase squirrel-cage induction motor, we can use the National Electrical Code (NEC) guidelines.
Step 1: Calculate Full Load Current (FLA)
The full load current (FLA) of a motor can be calculated using the formula:
\(\mathrm{FLA = \frac{Horsepower \times 746}{\sqrt{3}\times voltages \times efficiency \times power factor } }\)
Since efficiency and power factor are not given, we will assume typical values of 0.85 for efficiency and 0.85 for power factor.
Given:
Horsepower (HP) = 7.5 HP
Voltage = 208 V
Efficiency = 0.85
Power Factor = 0.85
Substitute these values into the formula:
\(\mathrm{FLA = \frac{7.5 \times 746}{\sqrt{3}\times 208 \times 0.85 \times 0.85 } }\)
Step 2: Determine the Maximum Rating:-
According to NEC guidelines, the maximum rating of the protective device can be calculated by multiplying the FLA by a percentage that corresponds to the type of motor and the type of protective device.
For a squirrel-cage induction motor with time-delay fuses, the percentage is typically around 175%.
Maximum Rating = FLA × 175%
Maximum Rating = 25.76A × 1.75 ≈ 45.12A
Rounded to the nearest standard fuse size, the maximum rating of the protective device is 45 A.
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