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Author Question: A child is standing at the rim of a rotating disk holding a rock, and throws a rock in direction (2) ... (Read 75 times)

TVarnum

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on: Jul 28, 2018
A child is standing at the rim of a rotating disk holding a rock, and throws a rock in direction (2) at the instant shown. The disk rotates freely without friction. What happens to the angular speed of the disk?
 
  1.increases
  2.remains the same
  3.decreases
  4.impossible to determine

Question 2

A child is standing at the rim of a rotating disk, and throws a rock radially outward at the instant shown. The disk rotates freely without friction. Which of the following statements is correct about the disk-child-rock system as the rock is thrown?
 


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aburgess

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Reply #1 on: Jul 28, 2018
Answer to Question 1

1

Answer to Question 2



TVarnum

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


aburgess

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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