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Author Question: A 328-kg car moving at 19.1 m/s in the +x direction hits from behind a second car moving at in the ... (Read 20 times)

OSWALD

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on: Jul 29, 2018
A 328-kg car moving at 19.1 m/s in the +x direction hits from behind a second car moving at in the same direction.
 
  If the second car has a mass of and a speed of right after the collision, what is the velocity of the first car after this sudden collision?
  A) 18.2 m/s B) -14.0 m/s C) 24.2 m/s D) 14.0 m/s

Question 2

A cat and a mouse run along a road with the same kinetic energy. The faster runner is the
 
  A) cat.
  B) mouse.
  C) both run at the same speed
  D) not enough information


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AmberC1996

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

D

Answer to Question 2

Answer: B


OSWALD

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


AmberC1996

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


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