A Solid Sphere of Mass 2

question 40

Multiple Choice

A solid sphere of mass 2.50 kg and radius 0.120 m is at rest at the top of a ramp inclined 15.0°.It rolls to the bottom without slipping.The upper end of the ramp is 1.20 m higher than the lower end.Find the sphere's total kinetic energy when it reaches the bottom.

• A)70.0 J
• B)47.9 J
• C)29.4 J
• D)8.80 J

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