A Curling Stone Slides on Ice with a Speed of 2.0

question 2

Multiple Choice

A curling stone slides on ice with a speed of 2.0 m/s and collides inelastically with an identical, stationary curling stone. After the collision, the first stone is deflected by a counterclockwise angle of 28° from its original direction of travel, and the second stone moves in a direction that makes a 42° clockwise angle with the original direction of travel of the first stone. What fraction of the initial energy is lost in this collision?

• A) 0.12
• B) 0.24
• C) 0.36
• D) 0.48
• E) 0.64

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