Each of the five connected particles has a mass of 0.6 kg, with G as the center of mass of the system. At a certain instant the angular momentum of the system about G is 1.20k , and the x- and y-components of the velocity of G are 3 m/s and 4 m/s, respectively. Calculate the angular mom

Answer:

18 gauge

Explanation:

Standard automotive primary wire is 18 gauge. (internet search) Hope this helps

Answer:

Explanation:

Here's your table of (distance, power level):

  (0 km, 250 mW), (5 km, 25 mW), (10 km, 2.5 mW),

  (15 km, 250 μW), (20 km, 25 μW)

The signal can be transmitted 20 km before being attenuated to 25 μW.

__

Reportedly, the loss in fiber optic cable is about 0.5 dB/km. This compares to 10 dB/5 km = 2 dB/km for the coaxial cable. Loss in dB/km is a factor of 4 less for fiber optic cable, so the distance for the same loss would be multiplied by 4.

Answer:

M/A = 0.425 g/cm²

Explanation:

Given the following data;

Mass = 192 grams

Dimensions = 7 * 10 inches.

To find the mass per unit area;

First of all, we would determine the area of the lead sheet;

Area = 7 * 10

Area = 70 in²

Conversion:

1 square inch = 6.452 square centimeters

70  inches = 70 * 6.452 = 451.64 square centimeters

Next, we find the mass per unit area;

M/A = 192/451.64

M/A = 0.425 g/cm²

The shear plane angle is calculated as 49.4 degrees while the shear strain is given as 1.17

Shear strain is a measure of deformation resulting from an applied force that is parallel to the surface of an object. It is usually expressed as a fractional change in the length of the object. Shear strain is a measure of the displacement of the surface points of an object in the direction perpendicular to the direction of the applied force.

The shear plane angle is the angle between the plane of shear stress and the normal to the plane of shear. It is typically measured in degrees and can range from 0 to 90 degrees.

(a) Shear plane angle = tan⁻¹((0.65-0.30)/0.30) = 49.4°

(b) Shear strain = (deformed chip thickness - initial chip thickness)/initial chip thickness

Substituting the values into the formula;

Shear Strain = (0.65-0.30)/0.30 = 1.17

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Steel-frame construction has been likened to "Mechano"

Steel-frame construction has been likened to a game of erector sets, where the pieces are prefabricated in a factory and then transported to the construction site for assembly.

This comparison highlights the efficiency and precision of the steel-frame construction process, which allows for buildings to be erected quickly and with minimal waste.

Additionally, steel is a strong and durable material that can withstand extreme weather conditions and seismic activity, making it a popular choice for modern buildings.

Overall, the use of steel in construction has revolutionized the industry and helped to create innovative and sustainable structures.

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Answer:

No, the offspring of two black horses cannot have chestnut hair. Since the black hair allele is recessive, both parents have to be hz recessive and do not carry the dominant chestnut hair allele. The only allele the parents can pass back to their offspring is the black allele.

Explanation:

Edg. 2022

Answer: The offspring of two black horses cannot have chestnut hair. Since the black hair allele is recessive, both parents have to be his recessive and do not carry the dominant chestnut hair allele. The only allele the parents can pass back to their offspring is the black allele.

Explanation:

It is TRUE to state that the SPD grounding conductor must be installed according to the manufacturer's instructions.

An SPD (Surge Protective Device) grounding conductor refers to the dedicated conductor used to establish a low-resistance path for electrical surges to safely discharge into the ground.

It connects the surge protective device to an effective grounding system, helping to redirect and dissipate potentially damaging transient voltage spikes or surges.

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Since the photocopy was a dilatation and the ratio of AD:EH is 1:2, side GH on the duplicated image is the same length as side AD on the original design. As a result, side GH's length is the same as side AD's length.

The length of side GH in the photocopy is equal to the length of side AD in the original design when a monorail track system is enlarged through the use of a photocopier.

This is owing to the fact that the ratio of AD to EH is specified as 1:2, indicating that during dilation, matching sides are scaled by a factor of 2.

Thus, the proportional relationship created by the dilation process is maintained because side GH on the photocopied picture is the same length as side AD was in the original design.

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Unwanted static traits in measurement systems include drift, static inaccuracy, dead zone, and non-linearity.

Explanation:Sincerity is not a fixed quality.It is an element of an instrument's dynamic.In terms of measurements, fidelity relates to how accurate a number is when compared to a quantity that hasn't experienced any dynamic mistakes.

It offers a definition for each of the five key attributes of a measuring device: scale length, sensitivity, accuracy, "finesse," and response time.

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Answer:

a) the power loss due to irreversible head loss is 4.57 kW

b) the efficiency of the piping is 95%

c) the electric power output is 72.9918 kW

Explanation:

Given the data in the question below;

Irreversible loses \(h_L\) = 7m

Total head, H = 140 m

flow rate Q = 4000 L/min = 0.0666 m³/s

Generator efficiency n₀ = 84% = 0.84

we know that density of water is 1000 kg/m³

g = 9.81 m/s²

a) power loss due to irreversible head loss \(P_L\) is;    

\(P_L\) = p × Q × g × \(h_L\)

we substitute

\(P_L\) = 1000 × 0.0666 × 9.81 × 7

\(P_L\) = 4573.422 W

\(P_L\) = 4573.422 / 1000

\(P_L\) = 4.57 kW

Therefore, the power loss due to irreversible head loss is 4.57 kW

b) the efficiency of the piping n is;

n = (Actual head / maximum head) × 100

n = (( H - \(h_L\) ) / H) × 100

so we substitute

n = (( 140 - 7 ) / 140) × 100

n = (133/140) × 100

n = 0.95 × 100

n = 95%

Therefore, the efficiency of the piping is 95%

c) the electric power output if the turbine-generator efficiency is 84 percent;

n₀ = \(Power_{outpu\) / \(power_{inpu\)

\(Power_{outpu\) = n₀ × \(power_{inpu\)

\(Power_{outpu\) = n₀ × ( pQg( H - \(h_L\) ))

so we substitute

\(Power_{outpu\) = 0.84 × ( 1000 × 0.0666 × 9.81( 140 - 7 ))

\(Power_{outpu\) = 0.84 × 653.346( 133)

\(Power_{outpu\) = 0.84 × 86895.018

\(Power_{outpu\) = 72991.815 W

\(Power_{outpu\) = 72991.815 / 1000

\(Power_{outpu\) = 72.9918 kW

Therefore, the electric power output is 72.9918 kW

Answer:

C . . . . . . . . . . . . . . . . . . . . . .

(a) The column height of mercury in a mercury barometer is 7.32 meters, or 24.0 feet, or 95.2 inches.

(b) The column height of water in a water barometer is 995 meters, or 3268 feet, or 33.9 feet.

(c) A water barometer is not very practical because it would need to be very tall to measure atmospheric pressure.

(d) Ignoring the practicality issue, a mercury barometer would be more precise because mercury is denser than water.

Mercury barometer: 7.32 m, 24 ft, 95.2 in

Water barometer: 995 m, 3268 ft, 33.9 ft

Water barometer not practical because it would be too tall

Mercury barometer more precise because mercury is denser

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Option (d) ClassNotFoundException is not a runtime exception in Java. ClassNotFoundException is a checked exception in Java, which means that it must be either handled or declared in the method signature using the throws keyword.

Runtime exceptions are a type of exception that can occur at any point during program execution and are not checked at compile time. ClassNotFoundException, on the other hand, is a checked exception that occurs when the JVM tries to load a class at runtime, but the class cannot be found or accessed. This can occur when the class file is missing, the class is in a different package, or there is a problem with the classpath. Checked exceptions are typically used for errors that can be anticipated and handled by the program, unlike runtime exceptions which usually indicate a bug or error in the program logic. The other options - a. NullPointerException, b. ArraylnderOutOfBoundException, and c. ArithmeticException - are all runtime exceptions in Java.

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Mechanical anchors rely on expansion to create their holding strength. When the anchor is inserted into a hole, the expansion mechanism (usually in the form of a sleeve or cone) expands to grip the sides of the hole tightly, creating a secure hold. This expansion creates a mechanical interlock between the anchor and the surrounding material, giving it its strength. It is important to note that the expansion force may vary depending on the type of anchor being used and the type of material it is being installed into.  mechanical anchors work and create their holding strength as there are various types of mechanical anchors and different factors that can affect their performance.


Mechanical anchors create their holding strength by expanding within the material they are installed in. When tightened, the anchor expands against the sides of the hole, creating friction and a secure connection.

Mechanical anchors, also known as expansion anchors, work by utilizing the force of expansion. Once inserted into a pre-drilled hole in the material (such as concrete or masonry), the anchor is tightened. As it tightens, the anchor expands and presses against the sides of the hole. This creates friction and a secure connection, allowing the anchor to hold heavy loads.

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The amount of torque produced by a motor at the instant the load causes it to stall is called the "stall torque." When a motor operates at its rated voltage and frequency, it is designed to deliver a specific amount of torque to drive the load it is connected to.

Torque is the rotational force exerted by the motor to generate motion or maintain the position of the load. The motor's ability to produce torque depends on factors such as its design, construction, and power supply.

Under normal operating conditions, the motor generates torque that is sufficient to overcome the load and maintain rotation. However, when the load exceeds the motor's torque capability, the motor reaches its maximum torque output, known as the stall torque. At this point, the motor cannot produce enough torque to continue rotating, and it comes to a halt or stalls.

The stall torque is a crucial parameter in motor specifications as it provides information about the motor's ability to handle heavy loads or start-up conditions where a high torque is required. It represents the maximum torque output that the motor can generate when it is unable to overcome the load and maintain rotation.

Motor manufacturers provide stall torque ratings in motor datasheets or technical specifications. It is important to consider the stall torque when selecting a motor for applications where the load demands high starting torque or requires the motor to handle heavy loads without stalling.

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The empty wheel tractor-scraper can maintain a speed of 15 mph on a 3% adverse grade as long as the rolling resistance is less than or equal to 1102 lb per ton.

Traction is basically the action of drawing or pulling something over a surface, especially a road or track.

From Figure 6.10, we can find the horsepower-to-weight ratio (HP/T) of the empty wheel tractor-scraper at a speed of 15 mph on a 3% adverse grade. For a 631G wheel tractor-scraper, the HP/T is approximately 0.045.

The rolling resistance (Rr) can be calculated using the equation:

Rr = (M x g x %grade) / V

Where M is the weight of the empty wheel tractor-scraper in tons, g is the acceleration due to gravity (32.2 ft/s²), %grade is the grade expressed as a decimal (3% = 0.03), and V is the speed in mph.

Assuming the weight of the empty wheel tractor-scraper is 46 tons (92,000 lb), we can calculate the maximum value of rolling resistance as follows:

Rr = (46 * 2000 * 32.2 * 0.03) / 15

Rr = 1102 lb

Thus, the answer is 1102 lb.

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Your question seems incomplete, the probable complete question is:

A wheel tractor-scraper is operating on a 3% adverse grade. Assume that no power derating is required for equipment condition, altitude, and temperature. Use equipment data from Figure 6.10. Disregarding traction limitations, what is the maximum value of rolling resistance (in lb per ton) over which the empty unit can maintain a speed of 15 mph?

Answer:

the SI base unit of electrical current.

Answer:

An ampere is the SI base unit of electrical current

Answer:

E = 132.69 sin(ωt -11.56)

i(t) = 6.64 sin (ωt +48.44) A

Explanation:

given data

e1 = 80 sin ωt volts                       80 < 0

e2 = 60 sin (ωt + π/2) volts          60 < 90

e3 = 100 sin (ωt – π/3) volts        100 < -60

solution

resultant will be  = e2 + e2 + e3

E =  80 < 0 + 60 < 90 + 100 < -60

\(\bar E\) = 80 + j60 + 50 - j50\(\sqrt{3}\)

\(\bar E\) = 130 + (-j26.60)

\(\bar E\) = 132.69  that is less than -11.56

so

E = 132.69 sin(ωt -11.56)

and

as we have given the impedance

z = (10-j17.3)Ω

z = 19.982 < -60

and

i(t) = \(\frac{132.69}{19.982}\) sin(ωt -11.56 + 60)  

i(t) = 6.64 sin (ωt +48.44) A

Answer:A

Explanation:

Those who want to save money and will use the product for only a few years

Answer:

THE ANSWER is A - those who want to save money and will use the product for only a few years

Explanation: Got it right on edg 2021

A regulator is required on a nitrogen cylinder in order to reduce very high pressure within the gas cylinder to a safer pressure.

A regulator can be defined as a mechanical device that is designed and developed to ensure that a controlled amount of nitrogen gas is supplied from a gas cylinder.

This ultimately implies that, a regulator is required on a nitrogen cylinder in order to reduce very high pressure within the gas cylinder to a safer pressure.

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Given acceleration a = 5-3t, and its velocity is 7 at time t = 2, the value of s2 - s1 = 7

We have

= \(\frac{dv}{dt} =v't = 5-3t\\\\\int\limits^a_b {v'(t)} \, dt\)

\(= \int\limits^a_b {(5-3t)} \, dt\)

\(5t - \frac{3t^2}{2} +c\)

v2 = 5x2 -  3x2 + c

= 10-6+c

= 4+c

\(s(t) = \frac{5t^2}{2} -\frac{t^3}{2} +3t + c\)

S2 - S1

\(=(5*\frac{4}{2} -\frac{8}{2} +3*2*c)-(\frac{5}{2} *1^2-\frac{1^2}{2} +3*1*c)\)

= 6 + 6+c - 2+3+c

12+c-5+c = 0

7 = c

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These plates are typically squares that measure 3.0 cm on each side and are separated by a distance of 5.0 mm. The reason for this separation is to allow for a very thin layer of air between the plates.

When a voltage is applied to the deflecting plates, they create an electric field between them, which in turn affects the path of the electron beam. The magnitude and direction of the voltage applied to the plates determines the amount and direction of deflection that the electron beam undergoes. This allows the oscilloscope to display a graphical representation of the electrical signals it is measuring.

Overall, the deflecting plates are a crucial component of the oscilloscope, as they allow for precise and accurate measurements of electrical signals.

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Answer:

A,C and E

Explanation:

It should be understood that a function generator can be explained as a piece of electronic test equipment or software which is used in generating different types of electrical waveforms over a wide range of frequencies. It should be noted that some of the examples of waveforms produced by the function generator are the sine wave, square wave, triangular wave and sawtooth shapes.

Therefore, the reason why of picking the options as highlighted above.

The correct answer is Option B) hidden. When a parent class contains a private data field, the field is hidden in the child class.

When a parent class contains a private data field, the field is hidden in the child class. This means that the child class cannot directly access or modify the private field of the parent class. Private members are intended to be accessible only within the class that defines them, and they are not inherited by child classes. In object-oriented programming, the concept of encapsulation allows us to control the visibility and accessibility of class members. By declaring a data field as private in the parent class, we restrict its visibility to that class only.

As a result, the child class cannot access the private field directly, nor can it modify its value. However, it is important to note that private data fields in the parent class can still have an impact on the behavior of the child class. They can be indirectly accessed and modified through public or protected methods provided by the parent class. These methods act as an interface for interacting with the private data, allowing controlled access to and manipulation of the field's value.

Therefore, the correct answer is Option B) hidden.

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Answer:

Velocity of ball B after impact is \(0.6364v_0\) and ball A is \(0.711v_0\)

Explanation:

\(v_0\) = Initial velocity of ball A

\(v_A=v_0\cos45^{\circ}\)

\(v_B\) = Initial velocity of ball B = 0

\((v_A)_n'\) = Final velocity of ball A

\(v_B'\) = Final velocity of ball B

\(e\) = Coefficient of restitution = 0.8

From the conservation of momentum along the normal we have

\(mv_A+mv_B=m(v_A)_n'+mv_B'\\\Rightarrow v_0\cos45^{\circ}+0=(v_A)_n'+v_B'\\\Rightarrow (v_A)_n'+v_B'=\dfrac{1}{\sqrt{2}}v_0\)

Coefficient of restitution is given by

\(e=\dfrac{v_B'-(v_A)_n'}{v_A-v_B}\\\Rightarrow 0.8=\dfrac{v_B'-(v_A)_n'}{v_0\cos45^{\circ}}\\\Rightarrow v_B'-(v_A)_n'=\dfrac{0.8}{\sqrt{2}}v_0\)

\((v_A)_n'+v_B'=\dfrac{1}{\sqrt{2}}v_0\)

\(v_B'-(v_A)_n'=\dfrac{0.8}{\sqrt{2}}v_0\)

Adding the above two equations we get

\(2v_B'=\dfrac{1.8}{\sqrt{2}}v_0\\\Rightarrow v_B'=\dfrac{0.9}{\sqrt{2}}v_0\)

\(\boldsymbol{\therefore v_B'=0.6364v_0}\)

\((v_A)_n'=\dfrac{1}{\sqrt{2}}v_0-0.6364v_0\\\Rightarrow (v_A)_n'=0.07071v_0\)

From the conservation of momentum along the plane of contact we have

\((v_A)_t'=(v_A)_t=v_0\sin45^{\circ}\\\Rightarrow (v_A)_t'=\dfrac{v_0}{\sqrt{2}}\)

\(v_A'=\sqrt{(v_A)_t'^2+(v_A)_n'^2}\\\Rightarrow v_A'=\sqrt{(\dfrac{v_0}{\sqrt{2}})^2+(0.07071v_0)^2}\\\Rightarrow \boldsymbol{v_A'=0.711v_0}\)

Velocity of ball B after impact is \(0.6364v_0\) and ball A is \(0.711v_0\).

The expression that will return a tuple of length 1 is: tuple([1]).

The expression `tuple([1])` creates a tuple from a list containing a single element, which is the integer `1`. The `tuple()` function takes an iterable as an argument and converts it into a tuple. In this case, the iterable is `[1]`, which is a list with one element.

By calling `tuple([1])`, the list `[1]` is converted into a tuple, resulting in `(1,)`. The comma at the end of `(1,)` is necessary to differentiate it from the parentheses used for grouping in expressions.

To verify that the resulting object is indeed a tuple of length 1, you can use the `type()` and `len()` functions:

```python

a = tuple([1])

print(type(a))  # Output: <class 'tuple'>

print(len(a))   # Output: 1

```

The `type(a)` will return `<class 'tuple'>`, indicating that `a` is a tuple. The `len(a)` will return `1`, indicating that the tuple `a` has a length of 1.

Therefore, the expression `tuple([1])` satisfies the condition of returning a tuple of length 1, as mentioned in the question.

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Answer:

P = 9.65 hp

Explanation:

Given that,

Speed of a car, v = 90 ft/s

Force that opposes the motion of the car, F = 59 pounds-force

90 ft/s = 27.432 m/s

1 pound-force = 4.448 N

59 pounds-force = 262.445 N

Power required is given by :

\(P=F\times v\\\\P=262.445\ N\times 27.432\ m/s\\\\P=7199.391\ W\)

Since, 1 hp = 745.7

7199.391 W = 9.65 hp

So, 9.65 hp of power is required to overcome the drag.

Answer:

Explanation:

7. False

8. True

9. True

10.True

11. True