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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 66 times)

gonzo233

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

Answer: B

Answer to Question 2

0.67 s


gonzo233

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Reply #2 on: Jul 29, 2018
Thank you!


adammoses97

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Reply #3 on: Jul 29, 2018
Always glad to help...


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