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4 Jan 2018
5.36 .. CP A 25.0-kg box of textbooks rests on a loading ramp that makes an angle a with the horizontal. The coefficient of ki- netic friction is 0.25, and the coefficient of static friction is 0.35. (a) As a is increased, find the minimum angle at which the box starts to slip. (b) At this angle, find the acceleration once the box has begun to move. (c) At this angle, how fast will the box be mov- ing after it has slid 5.0 m along the loading ramp?
5.36 .. CP A 25.0-kg box of textbooks rests on a loading ramp that makes an angle a with the horizontal. The coefficient of ki- netic friction is 0.25, and the coefficient of static friction is 0.35. (a) As a is increased, find the minimum angle at which the box starts to slip. (b) At this angle, find the acceleration once the box has begun to move. (c) At this angle, how fast will the box be mov- ing after it has slid 5.0 m along the loading ramp?
Trinidad TremblayLv2
7 Jan 2018
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