It is correct to say that impulse is equal toa) momentum. b) the change in momentum. c) the force multiplied by the distance the force acts. d) all of these. e) none of these.

B) the change in momentum.

Explanation:

The impulse is defined as the product between the force applied on an object (F) and the duration of the collision ():

(1)

We can rewrite the force by using Newton's second law, as the product between mass (m) and acceleration (a):

So, (1) becomes

Now we can also rewrite the acceleration as ratio between the change in velocity and change in time: . If we substitute into the previous equation, we find

And the quantity is equivalent to the change in momentum, .

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