an object of mass 50kg is raised to a height of 6m above the ground. what is it potential energy? if the object is allowed to fall , find its kinetic energy when it is half way down
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Explanation:
potential energy =mgh
50 ✖️ 10✖️6
=3000j
Also at top K.E =0
Hence T.E =P.E
when it is at half way down ⬇️ means
its P.E =50 ✖️ 10 multiply ✖️ 3
= 1500j
so rest is K. E
=3000-1500
=1500j
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