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At what speed should a ball of mass 2 kg be rolled in order to reach the other side of
a 6 m high slope?

A. 12.52 m/s
B. 13.25 m/s
C. 10.84 m/s
D. 15.64 m/s

Respuesta :

Answer:

M g H = 1/2 M v^2       potential energy = kinetic energy

v^2 = 2 g H = 2 * 9.80 * 6 = 117.6 m/s^2

v = 10.8 m/s    

(C)

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