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**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 skiers mass, the radius of the snowball, or g ....

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