Question

If velocity is halfed how much does the kinetic energy change ? ​

Answer 1

Explanation:

Kinetic energy of the body K.E= 1/2 mv^2

So, K.E∝v

If velocity of the body is halved, its kinetic energyis reduced by a factor of 4.

Answer 2

Answer:

The answer is kinetic energy will be 1/4th of initial.

Explanation:

• As kinetic energy ( Ke)=1/2mv^2
• so V1 becomesv/2
• therefore ke1 =1/2mv^2/4=1/4(ke) .
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