A Solid Sphere Starts from Rest and Rolls Down a Slope

question 65

Multiple Choice

A solid sphere starts from rest and rolls down a slope that is 5.1 m long.If its speed at the bottom of the slope is 4.3 m/s, what is the angle of the slope?

• A)10°
• B)15°
• C)20°
• D)30°
• E)cannot be calculated without knowing the mass and radius of the sphere

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