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Homework Help: Help me please !

  1. Sep 26, 2006 #1
    Help me please!!!!!!

    please help my ap class just started on laws of motion and im having problems with this question could some one please walk me through it
    a block is given an intial speed of 3.0 m/s up the 22.0 degree plane how far up the plane will it go? B0 how much time elapses before it returns to its starting point ignore friction.

    thankyou so much!!!!
  2. jcsd
  3. Sep 26, 2006 #2
    Try drawing a free body diagram. What does it mean when the block comes to rest? If there is no friction, what other forces could be acting on the block to slow it down? Also remember there are two times here, one for the trip up and one for the trip down.
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