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Author Question: Cart A with momentum p (in magnitude) collides with cart B at rest and rebounds. What can you say ... (Read 143 times)

KWilfred

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on: Jul 28, 2018
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


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princessflame2016

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Reply #1 on: Jul 28, 2018
Answer to Question 1

3

Answer to Question 2

3


KWilfred

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Reply 2 on: Jul 28, 2018
:D TYSM

rachel

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Reply 3 on: Yesterday
Wow, this really help

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