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October 20, 2014

Homework Help: physics

Posted by Joey on Wednesday, January 5, 2011 at 9:33am.

In the figure below, a solid cylinder of radius 12 cm and mass 11 kg starts from rest and rolls without slipping a distance L = 6.0 m down a roof that is inclined at angle = 30.

(a) What is the angular speed of the cylinder about its center as it leaves the roof?
1 rad/s

(b) The roof's edge is at height H = 5.0 m. How far horizontally from the roof's edge does the cylinder hit the level ground?
2 m

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