If momentum of a body is doubled, what will be the increase in the percentage of its kinetic energy?
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hii
kinetic energy will also be doubled
kinetic energy will also be doubled
Answered by
1
K.E =P^2/2m
If
P'=2P
Then
K.E'= P'^2/2m
K.E'= (2P)^2/2m
K.E'= 4 P^2/2m
K.E'=4 K.E
If
P'=2P
Then
K.E'= P'^2/2m
K.E'= (2P)^2/2m
K.E'= 4 P^2/2m
K.E'=4 K.E
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