Question

A net force of +15 N changes the momentum of an object by +100 kg-m/s. What is the time over which the force is applied? (please explain!!)
A. 0.15 s
B. 6.7 s
C. 85 s
D. 150 s

Answer 1

As momentum / time = force
so; time = 100÷15

so your answer is 6.7 !!