Cart A with momentum p (in magnitude) collides with cart B at ...

[KWilfred]

Cart A with momentum p (in magnitude) collides with cart B at rest and rebounds. What can you say about the momentum of cart B after the collision?
 
  1.It is smaller than p.
  2.It is equal to p.
  3.It is larger than p.
  4.It is impossible to predict what the momentum of cart B will be after the collision.

Question 2

A 500 g lump of clay is dropped onto a 1 kg cart moving at 60 cm/s. The clay is moving at 30 cm/s just before landing on the cart.
   
 
   
   After the collision, the speed of the cart and clay is closest to:

  1.60 cm/s
  2.50 cm/s
  3.40 cm/s
  4.30 cm/s
  5.20 cm/s
  6.10 cm/s
  7.0 cm/s
  8.Impossible to determine

[princessflame2016]

Answer to Question 1

3

Answer to Question 2

3

[KWilfred]

Thanks for the timely response, appreciate it

[helenmarkerine]

Excellent