Asked by latela

a boy whose mass is 69kg climbs a tree 10m high in 12s .calculate the work done and power developed
Answered by Henry
W = F*d = M*g * d = 69*9.8 * 10 = 6762 Joules.

P = W/t = 8762 J./12s. = 564 J./s = 564 Watts.



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