Homework Answers
Part (A)
Height gained is 1500 m times the sine of 4.3 degree.
h = (1500 m)*(sin 4.3 degree)
= (1500 m)*(0.074979)
= 112.468 m
Gravitational potential energy gained is
dealta u = m*g*h
= (76 kg)*(9.81 m/s2)*(112.468 m)
= 83851 J
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