A coolie raises a box of mass 25 kg from
the ground and puts it at a height of
1.5 m. What is the potential energy
possessed by the box now? Given that the
value of g is 10 m/s2
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Mass of box = 25kg
Height attained by box = 1.5m
U denotes PE
m denotes mass
g denotes gravitational acceleration
H denites height
U => mgH
U => (25) (10) (1.5)
U => 375 J
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