Question

A 4.0-kg ball has a momentum of 20.0 kg-m/s. What is the ball's speed?

Answer 1

Explanation:

Moving mass m = 4.0Kg

Momentum P = 20.0Kgm/s

Speed V = ?

Momentum = product of mass and its velocity

P = mV

V = P

m

V = 20

4

V = 5m/s