An object of mass 40 kg is raised to a height of 5 m above the ground. What is its potential energy?
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Explanation:
Mass (m) = 40 kg
Acceleration due to gravity (g)= 10m/s²
Height (h)= 5m
Potential energy= m × g× h
P.E= 40 × 10 × 5 = 2000J
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