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Author Question: A 6.0-kg object moving 5.0 m/s collides with and sticks to a 2.0-kg object. After the collision the ... (Read 138 times)

FButt

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on: Jul 28, 2018
A 6.0-kg object moving 5.0 m/s collides with and sticks to a 2.0-kg object. After the collision the composite object is moving 2.0 m/s in a direction opposite to the initial direction of motion of the 6.0-kg object. Determine the speed of the 2.0-kg object before the collision.
 a. 15 m/s
  b. 7.0 m/s
  c. 8.0 m/s
  d. 23 m/s
  e. 11 m/s

Question 2

A 2.0-kg object moving with a velocity of 5.0 m/s in the positive x direction strikes and sticks to a 3.0-kg object moving with a speed of 2.0 m/s in the same direction. How much kinetic energy is lost in this collision?
 a. 2.4 J
  b. 9.6 J
  c. 5.4 J
  d. 0.6 J
  e. 6.0 J


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Pariscourtney

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

D

Answer to Question 2

C


FButt

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Reply 2 on: Jul 28, 2018
:D TYSM

xiaomengxian

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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