2 years ago

1-A car with momentum 19016 kg*m/s has a mass of 1300kg. What is the speed

1 answer:

6 0

The speed would be 130 mph because the car is very heavy

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Wittaler [7]

Answer:

Explanation:

The force supplied by the train can be found by using the formula

$f = \frac{w}{d} \\$

w is the workdone

d is the distance

From the question we have

$f = \frac{578000}{960} \\ = 602.083333...$

We have the final answer as

Hope this helps you

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krek1111 [17]

Answer:

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Explanation:

k*(36 - 28) = 23

so k = 23/8 N/cm

W = k(32 - 28)²/2 = 23/8 * 4²/2 = 23 N-cm = 0.23 J

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