A 45 kg ice skater at rest caught a 0.25kg ball, If the ice skater moved at 0.15 m/s after catching the ball, find the speed of the ball before he caught it.

Question

asked Apr 15, 2020 64.3k views

1 Answer

Atzz · Answer 1 · 2020-04-21T22:39:29+0000

Answer:

27 m/s

Step-by-step explanation:

Momentum is conserved.

Initial momentum = final momentum

(0.25 kg) v = (45 kg + 0.25 kg) (0.15 m/s)

v ≈ 27 m/s