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Homework Help: Physicscal of ball

  1. Mar 13, 2005 #1
    A ball of mass 0.2 kg is thrown vertically upwards with a speed of 30m per second.
    It can just reach a height of 10m.

    1 . calculate the total loss in mechanical energy when ball reach the highest point.

    2. Find the average air resistance opposing the motion of the ball.
  2. jcsd
  3. Mar 13, 2005 #2


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    Well,what have you done so far?

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