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Author Question: A 1500-kg car moving at 25 m/s hits an initially uncompressed horizontal ideal spring with spring ... (Read 113 times)

kellyjaisingh

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A 1500-kg car moving at 25 m/s hits an initially uncompressed horizontal ideal spring with spring constant (force constant) of 2.0  106 N/m. What is the maximum distance the spring compresses?
 
  A) 0.17 m
  B) 0.34 m
  C) 0.51 m
  D) 0.68 m

Question 2

A solid uniform sphere is rolling without slipping along a horizontal surface with a speed of 5.5 m/s
 
  when it starts up a ramp that makes an angle of 25 with the horizontal. What is the speed of the sphere after it has rolled 3.0 m up as measured along the surface of the ramp?
  A) 4.0 m/s
  B) 8.0 m/s
  C) 1.9 m/s
  D) 2.2 m/s
  E) 3.5 m/s



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tsternbergh47

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Answer to Question 1

D

Answer to Question 2

E





 

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