A car is moving on a levelled road and gets its velocity doubled.In this process :

1 how would kinetic energy of car changes?
2 how would potential energy of car will change?
3 how will momentum change ?give reasons
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(1)As only velocity is changing so Kinetic Energy=12mv2-(1)when velocity get doubled,v'=2v putting in (1)K.E. will be four times.(2) Potential Energy will remain unchanged, as P.E. =mgh(3) Momentum,p=mv'v'=2vp=m(2v)=2mvSo momentum will be doubled.

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