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[luvbio]

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  1.Angular momentum is conserved; mechanical energy increases.
  2.Angular momentum is conserved; mechanical energy decreases.
  3.Angular momentum increases; mechanical energy is conserved.
  4.Angular momentum decreases; mechanical energy is conserved.
  5.Both angular momentum and mechanical energy are conserved.
  6.Both angular momentum and mechanical energy increase.
  7.Angular momentum decreases; mechanical energy increases.
  8.Angular momentum increases; mechanical energy decreases.
  9.Both angular momentum and mechanical energy decrease.
  10.The conserved quantities cannot be determined."

Question 2

A child is standing at the rim of a disk holding a rock. The disk rotates freely without friction. At the instant shown, the child throws the rock radially outward. Which of the indicated paths most nearly represents the trajectory of the rock as seen from above?
 

[livaneabi]

Answer to Question 1

1

Answer to Question 2

[luvbio]

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[epscape]

Wow, this really help