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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 177 times)

ec501234

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

E

Answer to Question 2

A


ec501234

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

debra928

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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