Question
A 1.2-kg blob of putty moving at 4.0m/s slams into a 1.2-kg blob of putty at rest. Calculate the speed of the two stuck-together blobs of putty immediately after colliding.
Express your answer to two significant figures and include the appropriate units.
Express your answer to two significant figures and include the appropriate units.
Answers
momentum before = momentum after
1.2 * 4 = 2.4 * v
1.2 * 4 = 2.4 * v