A ball falls from a height 10m,strikes the ground and rise back to height 8m.Find the loss of mechanical energy
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M.E=K.E+P.E.
at height 10m , we have
kE=0
P.E.=10gh
at height h 8 m
ball stops therefore kE =0
while PE=8gh
loss =2gh
comment my answer is wrong or correct
at height 10m , we have
kE=0
P.E.=10gh
at height h 8 m
ball stops therefore kE =0
while PE=8gh
loss =2gh
comment my answer is wrong or correct
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