a rocket is moving up with a velocity v.if the velocity of the rocket is suddenly tripled what will be the ratio of the two K.E s
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here is your answer... it's a basic one..
we know the formula for kinetic energy of any object is 1/2.mv^2 . let the velocity of the object be v as it goes up.So, the kinetic energy will be simply 1/2.mv^2 . now, v is tripled but the (v)^2 is clearly visible in this ques. so the kinetic energy will become 9 times ...instead of becoming thrice of the older kinetic energy.
we know the formula for kinetic energy of any object is 1/2.mv^2 . let the velocity of the object be v as it goes up.So, the kinetic energy will be simply 1/2.mv^2 . now, v is tripled but the (v)^2 is clearly visible in this ques. so the kinetic energy will become 9 times ...instead of becoming thrice of the older kinetic energy.
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