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Author Question: Phil stands at rest with both feet on a scale that reads 500 N. After he gently lifts one foot, the ... (Read 70 times)

gonzo233

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Phil stands at rest with both feet on a scale that reads 500 N. After he gently lifts one foot, the scale reads
 
  A) less than 500 N.
  B) 500 N.
  C) more than 500 N.

Question 2

A bicycle wheel has an initial angular speed of 7.2 rad/s. After turning through of a revolution, the angular speed is reduced to 2.2 rad/s.
 
  If the angular acceleration of the wheel was constant during the motion, how long will it take the wheel to make the revolution?



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adammoses97

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Answer to Question 1

Answer: B

Answer to Question 2

0.67 s





 

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