rocket of mass M is moving with a velocity V if its velocity becomes 3 times calculate the change in its kinetic energy
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hyy ...
as we know , K.E. = 1/2 MV^2
and now velocity becomes 3 times .... so , new kinetic energy will be equal to 1/2 M ( 3v )^2
= 1/2 M ( 9V ^2 ) = 9/2 MV^2 is your answer ...
hope this helps !
as we know , K.E. = 1/2 MV^2
and now velocity becomes 3 times .... so , new kinetic energy will be equal to 1/2 M ( 3v )^2
= 1/2 M ( 9V ^2 ) = 9/2 MV^2 is your answer ...
hope this helps !
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