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A solid cylindrical 10-kg roll of roofing paper with a radius of 15 cm, starting from rest rolls down a roof with a 20μ incline

A) If the cylinder rolls 4.0 m without slipping, what is the angular speed about its center when leaving the roof?

B) If the roof edge of the house is 6.0 m above level ground, how far from the edge of the roof does the cylindrical roll land?

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