please answer

Asked by  | 19th Dec, 2008, 10:39: AM

Expert Answer:

impulse = change in momentum

m(v-u) = impulse

3(10-0) = 30N.s

This will be -30N.s as it will act in a direction opposite to the velocity. If the velocity is positive then impulse is negative.

Answered by  | 20th Dec, 2008, 12:08: PM

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