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22-09-2020
Physics

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what will be the final kinetic energy if the velocity of a body is halved keeping mass constant

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Shakurr Shakurr

22-09-2020

Answer:

Kinetic energy of the body

[tex]K.E = \frac{1}{2}mv {}^{2}[/tex]

So, K.E∝ v²

If speed of the body is halved, its kinetic energy is reduced by a factor of 4.

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