Question

How much force would be needed to cause a 40.0⋅/
40.0kg⋅m/s change in momentum of an object if the force acts for 2.0
2.0 seconds?

Answer 1

Answer:

attached below

Explanation:

Answer 2

The required force will be "20 N".

Given that:

Change in momentum,

• $\Delta p = 40 \ kg.m/s$

Time,

• $\Delta t = 2 \ seconds$

Now,

The needed force will be:

= $\frac{\Delta p}{\Delta t}$

By putting the values,

= $\frac{40}{2}$

= $20 \ N$

Thus the above answer is right.

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