A Solid Cylinder of Mass 3

A solid cylinder of mass 3.0 kg and radius 0.2 m starts from rest at the top of a ramp,inclined 15°,and rolls to the bottom without slipping.(For a cylinder I =
MR². ) The upper end of the ramp is 1.5 m higher than the lower end.Find the linear speed of the cylinder when it reaches the bottom of the ramp.(g = 9.8 m/s²)

A) 4.7 m/s
B) 4.4 m/s
C) 4.0 m/s
D) 2.4 m/s

Correct Answer:

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