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Author Question: The coefficient of the restitution of an object is defined as the ratio of its outgoing to incoming ... (Read 90 times)

humphriesbr@me.com

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on: Jul 29, 2018
The coefficient of the restitution of an object is defined as the ratio of its outgoing to incoming speed when the object collides with a rigid surface.
 
  For an object with a coefficient of 0.78, what fraction of the object's kinetic energy is lost during a single collision?
  A) 47 B) 61 C) 39 D) 16

Question 2

What is 34 + (3 )  (1.2465 ) written with the correct number of significant figures?
 
  A) 37.74 B) 37.7395 C) 38 D) 37.7 E) 4  101


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jonathanballen97

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

C

Answer to Question 2

C


humphriesbr@me.com

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


jonathanballen97

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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