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Author Question: A car and a large truck make a head-on collision and stick together. Prior to the collision, the ... (Read 129 times)

jrubin

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on: Jul 28, 2018
A car and a large truck make a head-on collision and stick together. Prior to the collision, the truck's velocity was twice that of the car. Which vehicle experiences the larger change in the magnitude of its momentum?
  1.the car
  2.the truck
  3.Both vehicles experience the same magnitude change in momentum.
  4.Impossible to determine.

Question 2

A boulder falls off a cliff toward the ground with no air resistance. The isolated system for which momentum is conserved is
  1.only the Earth.
  2.only the boulder.
  3.both the Earth and the boulder.
  4.none of these.


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Liamb2179

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

3

Answer to Question 2

3


jrubin

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Reply #2 on: Jul 28, 2018
Thank you!


Liamb2179

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Reply #3 on: Jul 28, 2018
Always glad to help...


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