How high up an inclined track will the ball roll

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Q. A 0.125 kg steel ball with a kinetic energy of 0.25 J rolls along a horizontal track. How high up an inclined track will the ball roll if friction can be ignored?

Q. What is the shortest height a plane mirror must be so that a person who is 1.6 meters tall is able to see his or her whole body? Draw a ray diagram to support your answer.

Reference no: EM1348947

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