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patriot [66]
2 years ago
11

A child is sliding on a sled at 1.6m/s to the right. You stop the sled by pushing on it for 0.60s in a direction opposite to its

motion. If the mass of the child and sled is 37kg , what is the magnitude of the average force you need to apply to stop the sled
Physics
1 answer:
ella [17]2 years ago
4 0

Answer:

F = 98.67 N

Explanation:

Given that,

The initial velocity of the sled, u = 1.6 m/s

The mass of the child and the sled is 37 kg

The sled stops pushing on it for 0.60s in a direction opposite to its motion.

We need to find the magnitude of the average force you need to apply to stop the sled.

Impulse = change in momentum

We have, v = 0

Ft=m(v-u)\\\\F=\dfrac{-mu}{t}\\\\F=\dfrac{-37\times 1.6}{0.6}\\\\F=-98.67\ N

So, the magnitude of the average force is 98.67 N.

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