A body of mass 1 kg dropped from height of 20 m after 2 seconds its potential energy in joules
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the formula for the potential energy =mgh
mass=1kg,height=20m,g=9.8
=1×20×9.8
=196jouls
mass=1kg,height=20m,g=9.8
=1×20×9.8
=196jouls
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