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Author Question: The law of conservation of momentum is applicable to systems made up of objects described by which ... (Read 112 times)

tsand2

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on: Jul 28, 2018
The law of conservation of momentum is applicable to systems made up of objects described by which of the following?
 a. macroscopic
  c. interacting through friction
  b. microscopic
  d. All the above choices are valid.

Question 2

When a glass rod is rubbed with silk, which of the following statements best describes what happens?
 a. Electrons are removed from the rod. c. The silk remains neutral.
  b. Protons are removed from the silk.
  d. The silk is charged positively.


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31809pancho

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

D

Answer to Question 2

A


tsand2

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

amcvicar

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Reply 3 on: Yesterday
Gracias!

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