Question

if movementum of an object is increased by 10% then it's kinetic energy will be increased by​

Answer 1

K.E=p²/2m

∆K.E./K.E=2∆p/p

∆K.E.=20%

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Answer 2

Answer:21%

Explanation:

Final Momentum = P+10/100P =1.1P

Kinetic energy,K=P^2/2m

So,

Increase in K= Kfinal - Kinitial /Kinitial = (1.1)^2 -1 ×100

= (1.21 - 1 ) ×100

=21%