Find the height from which body of a mass 50 kg should fall in order to have the kinetic
energy of a car of mass 200 kg travelling at 10ms-1 given g=9.8 ms.
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Answer:
2500 j
Explanation:
w = m.g.h
h is 10m
m is 50 kg
g is 10 ms sq.
w =50×10×10= 5000 j
potential energy is 5000÷2 =2500 j
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