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Author Question: The value of the momentum of a system is the same at a later time as at an earlier time if there are ... (Read 175 times)

ec501234

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The value of the momentum of a system is the same at a later time as at an earlier time if there are no
 a. collisions between particles within the system.
  b. inelastic collisions between particles within the system.
  c. changes of momentum of individual particles within the system.
  d. internal forces acting between particles within the system.
  e. external forces acting on particles of the system.

Question 2

The law of conservation of momentum applies to a collision between two bodies since
 a. they exert equal and opposite forces on each other.
  b. they exert forces on each other respectively proportional to their masses.
  c. they exert forces on each other respectively proportional to their velocities.
  d. they exert forces on each other respectively inversely proportional to their masses.
  e. their accelerations are proportional to their masses.



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amandalm

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Answer to Question 1

E

Answer to Question 2

A




ec501234

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Reply 2 on: Jul 28, 2018
:D TYSM


JCABRERA33

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Reply 3 on: Yesterday
Gracias!

 

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