an object of mass M is dropped from height H.at what height the potential energy of the body is twice that of its kinetic energy
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Initial Energy of the body =K.E+P.E
KE
i
=0,PE
i
=mgh
Final Energy KE
f
+PE
f
PE
f
=0
Energy is conserved
Final Energy = Initial Energy
KE
f
=PE
i
=mgh
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