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Author Question: A child runs and jumps tangentially onto an initially stationary playground merry-go-round. As a ... (Read 43 times)

daltonest1984

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on: Jul 29, 2018
A child runs and jumps tangentially onto an initially stationary playground merry-go-round. As a result, the merry-go-round begins to turn. Explain in terms of the child-merry-go-round system.
 
  What will be an ideal response?

Question 2

In a particle accelerator, a proton reaches an acceleration of 9.0  1013 m/s2. The mass of a proton is 1.7  10-27 kg. What is the force on the proton?
 
  What will be an ideal response?


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itsakadoozi

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

The child has an initial angular momentum about the center of the merry-go-round. The total angular momentum of the system is conserved, so the merry-go-round must rotate when the child is on it.

Answer to Question 2

1.5  10-13 N


daltonest1984

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

coreycathey

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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