Unformatted text preview: speed is found from conservation of energy; at an angle , she has descended a vertical distance ) cos 1 (R , so ) cos 1 ( 2 2 1= mgR mv , or ) cos 1 ( 2 2= gR v . Using this in the previous relation gives cos ) cos 1 ( 2 =, or ° = = 2 . 48 3 2 arccos . This result does not depend on the skier’s mass, the radius of the snowball, or g ....
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 Energy, Force, Normal Force

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