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Author Question: When a molecule collides with another that is approaching with greater momentum, its rebound speed ... (Read 47 times)

lindiwe

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on: Jul 29, 2018
When a molecule collides with another that is approaching with greater momentum, its rebound speed
 
  1) stays the same,
  2) increases,
  3) decreases,
 
  and when a molecule collides with another that is receding, its rebound speed
  4) stays the same.
  5) increases.
  6) decreases.

Question 2

Which of the following expands most when temperature is increased?
 
  1) iron
  2) ice water
  3) helium
  4) all expand the same
 
  Which of the following expands most when temperature is decreased?
  5) iron
  6) ice water
  7) helium
  8) all expand the same


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shaikhs

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: 2, 6

Answer to Question 2

Answer: 3, 6


lindiwe

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Reply #2 on: Jul 29, 2018
TY


shaikhs

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Reply #3 on: Jul 29, 2018
You're welcome


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