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A body rolls down a slope from a height of 100m. its velocity at the foot of the slope ...

A body rolls down a slope from a height of 100m. its velocity at the foot of the slope is 20ms-1. What percentage of its initial potential energy is converted into kinetic energy? [g = 10ms-1]

A. 40%
B. 35%
C. 20%
D. 15%




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