A Bowling Ball,which Can Be Treated as a Solid Sphere

question 32

Multiple Choice

A bowling ball,which can be treated as a solid sphere with a diameter of 21.6 cm and a weight of 33 kg,rolls down a bowling lane at a speed of 21 km/h.The kinetic energy of the bowling ball is

• A)785 J.
• B)225 J.
• C)561 J.
• D)1120 J.
• E)1430 J.

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