The Student Room Group

Can someone explain the answer to this question for me (Mechanics)

Got it.. sorry
(edited 6 years ago)
Original post by Lambert87
A: Initial Momentum: 8000 x 3 = 24000 kg ms-1

Agreed.

Total final momentum: (8000 x 1) + 5000V

8000 + 5000V = 24000

5000V = 24000 - 8000 = 16000

V = 16000/5000 = 3.2 ms-1

Agreed.

I am completely confused... ?

What is confusing?

Quick Reply

Latest