A 7.0 kg bowling ball traveling at 2.0 m/s collides with a stationary 0.5 kg beach ball in

an elastic collision. The bowling ball leaves the collision with a velocity of 1.5 m/s

traveling in the same direction as the beach ball.

Calculate the speed of the beach ball.

A 1.0 m/s

B 2.0 m/s

C 3.5 m/s

D 7.0 m/s

Question

Jonathon Martinez

10 August, 03:04

+2

Answers (1)

Know the Answer?

Amazon · Answer 1

D 7.0 m/s

Explanation:

MU+mu=MV+mv

7*2+0.5*0 = 7*1.5+0.5*v

14+0=10.5+0.5v

14-10.5 = 0.5v

3.5=0.5v

0.5v0.5 = 3.5/0.5

v = 7m/s