P431
A snowboarder travels down a hill beginning at a height H with an angle of x with the horizontal as depicted in the diagram below. The snowboarder has mass M. She brought a backpack with a mass of M/2 to the top of the hill but left it at the peak as she traveled down the slope.
![](https://member.mytestingsolution.com/wp-content/uploads/2019/04/QbankP25.gif)
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