A man drops 1 10 kg rock from the top of a 5m ladder what is it's kinetic energy on reaching ground
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m=10kg
h=5m
g=10m/s²
potential energy =kinetic energy
(law of conservation of energy)
potential energy =mgh
=>10*10*5 = 500 joules
kinetic energy on reaching ground will be 500 joules
h=5m
g=10m/s²
potential energy =kinetic energy
(law of conservation of energy)
potential energy =mgh
=>10*10*5 = 500 joules
kinetic energy on reaching ground will be 500 joules
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