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puteri [66]
3 years ago
14

Technician A says that many bearings also have a thin overlay of babbitt. Technician B says that bearings should have spread and

crush to keep them from spinning when the crankshaft rotates. Which technician is correct?
Physics
1 answer:
rosijanka [135]3 years ago
8 0

Answer:

In this case, both technicians are correct

Explanation:

There are several bearings with a thin overlay of babbitt. Also, technician B is also correct because the bearings is expected to be stagnant when the crankshaft rotates, and this can be achieved by ensuring that these bearings have spread and crush capable of ensuring they do not spin during operation.

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A small toy car travels 2.0 meters in 120 seconds. what is the speed of the car?
mamaluj [8]

Answer:\dfrac{1}{60} ms^{-1}

Explanation:

Speed of an object is defined as the ratio of the distance covered by the object to the time taken to cover that distance.

Let s be the speed of the object.

Let D be the distance travelled by the object.

Let t be the time taken by the object.

So,s=\frac{D}{t}

s=\frac{2}{120}=\frac{1}{60}ms^{-1}

So,the speed of the car is \frac{1}{60}ms^{-1}

4 0
3 years ago
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The wire needs to be sauderwired to be connected back into place to get energy into column so it came function properly again!
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If the sun is a medium sized star, why does it look bigger than others?
nata0808 [166]

Answer:

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A car with a mass of 1380 Kg is traveling at 23 m/s to the north. A truck with a mass of 1625 Kg is traveling at 26 m/s to the s
trasher [3.6K]

Answer: -3.49 m/s (to the south)

Explanation:

This problem can be solved by the Conservation of Momentum principle which establishes the initial momentum p_{i} must be equal to the final momentum p_{f}, and taking into account this is aninelastic collision:

Before the collision:

p_{i}=mV_{o}+MU_{o} (1)

After the collision:

p_{f}=(m+M)V_{f} (2)

Where:

m=1380 kg is the mass of the car

V_{o}=23 m/s is the velocity of the car, directed to the north

M=1625 kg is the mass of the truck

U_{o}=-26 m/s is the velocity of the truck, directed to the south

V_{f} is the final velocity of both the car and the truck

p_{i}=p_{f} (3)

mV_{o}+MU_{o}=(m+M)V_{f} (4)

Isolating V_{f}:

V_{f}=\frac{mV_{o}+MU_{o}}{m+M} (5)

V_{f}=\frac{(1380 kg)(23 m/s)+(1625 kg)(-26 m/s)}{1380 kg+1625 kg} (6)

Finally:

V_{f}=-3.49 m/s The negative sign indicates the direction of the velocity is to the south

8 0
3 years ago
a circuit has a total resistance of 5 ohms and a current of 0.3 amperes. What voltage must the battery supply?
iren [92.7K]

Answer:

1.5volts

Explanation:

V=IR =0.3×5=1.5volts

5 0
3 years ago
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