A Solid Sphere of Mass 2

A solid sphere of mass 2.50 kg and radius 0.120 m starts from rest at the top of a ramp inclined 15.0° and rolls to the bottom.The upper end of the ramp is 1.60 m higher than the lower end.What is the linear speed of the sphere when it reaches the bottom of the ramp? (Note: I =
MR² for a solid sphere,and g = 9.80 m/s². )

A) 4.73 m/s
B) 22.4 m/s
C) 5.60 m/s
D) 3.31 m/s

Correct Answer:

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