A Bowling Ball Has a Mass of 7

question 15

Multiple Choice

A bowling ball has a mass of 7.0 kg,a moment of inertia of 2.8 ´ 10^-2 kg*m² and a radius of 0.10 m.If it rolls down the lane without slipping at a linear speed of 4.0 m/s,what is its total kinetic energy?

• A)45 J
• B)32 J
• C)11 J
• D)78 J

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