Question

A 5-N force is applied to a 3-kg ball to change its velocity from +9 m/s to +3 m/s. What is the impulse?

Answer 1

Answer:

-18 Nm

Explanation:

Impulse = Change of Momentum

I = ∆p

I = mv2 - mv1

I = 3 x 3 - 3 x 9

I = 9 - 27

I = -18 Nm