60.9k views
1 vote
A 2.50 kg ball moving at 7.50 m/s is caught by a 70.0 kg man while the man is standing on ice. How fast will the man/ ball combination be moving after the ball is caught by the man?

User Femi Oni
by
5.9k points

2 Answers

0 votes

Answer:

M 8 the first two lessons of the following statements and the 3

GRADE

5 is the first of all that we have watched the sport evolve and with it we

User TheHe
by
5.6k points
5 votes
Momentum p = mv is conserved.

before: p = 2.5 * 7.5 + 70 * 0
after: p = (2.5 + 70) * v

p before = p after

2.5 * 7.5 = (2.5 + 70) * v
v = 2.5 * 7.0 / (2.5 + 70)
User Jerome Jaglale
by
6.1k points