VGLQM+nMKzrnPINM4wxA2GS2DI0aNVKrFCvXvHnzFJGAhQWaNWvmsg/OCuhJY77PYNY2Cebr+tz+PSiviYYuo486fSHbqpQCnNwbb7yhkiizFQIHZGyHOLOS629hbtee8Jnv2b+rfk9ndZjM5nt8LxJBs1X8+eefBe4AjhFVKlsvgG/FO7NNYpGBqJkBvJYqVUqpx83Xs+L5HUUo+ICsJKxG//33n9qGwDoyABgIGFo5AwYFAw1iwqroDvAcVrj ...

[crobinson2013]

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 />
  1.Angular momentum is conserved

Question 2

A child is standing at the rim of a freely rotating disk holding a rock. The disk rotates without friction. The rock is dropped at the instant shown. As a result of dropping the rock, what happens to the angular velocity of the child and disk?
 
  1.increases
  2.stays the same
  3.decreases
  4.cannot be determined

[kaylee05]

Answer to Question 1

 mechanical energy increases.
  2.Angular momentum is conserved

Answer to Question 2

2

[crobinson2013]

Great answer, keep it coming

[momolu]

Wow, this really help