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Posted by on Thursday, February 3, 2011 at 10:26pm.

A 37 kg child roller skates, initially at rest, rolls 2.0 m down an incline at an angle of 17 degrees with the horizontal. If there's no friction, what is the kinetic energy of the child at the bottom of the incline?

  • Physics - , Friday, February 4, 2011 at 1:36am

    M g H
    where H is the change in vertical elevation.

    Get H from the length and the angle/

  • Physics - , Sunday, February 13, 2011 at 10:41pm

    591.85 J

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