An elephant (mass = 5 tonne) takes tourists to a hill resort 0.4 km above the ground level. The elephant Carries a 2000kg load of tourists and luggage and takes 60 minutes. Calculate the
i. Work done by the elephant
ii. Potential energy gained by the tourists and luggage
iii. Efficiency the operation
iv. Power of the elephant in horsepower
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Answer:
work = m (mass =m,s=
s displacement)
m=5
s=0.4
W= 5
0.4
w =12.5
w=2000
s=60
w=2000
60
=???
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