Rotational Kinetic Energy: A solid uniform ball with a mass of 125 g is rolling without slipping along the horizontal surface of a table with a speed of 4.5 m/s when it rolls off the edge and falls towards the floor, 1.1 m below. What is the rotational kinetic energy of the ball just before it hits the floor?
A. 0.51 J
B. 0.73 J
C. 1.1 J
D. 2.6 J
E. This question cannot be answered without knowing the radius of the ball.
Answer: A
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Fill in the blank(s) with correct word
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