Question

what will happen to the kinetic energy of a body if it'd velocity is doubled at mass​

Answer 1

Answer:

If velocity is doubled, Kinetic Energy increases by 4 times. Kinetic energy of a body is the energy possessed by it, by virtue of its motion, i.e. if the body is moving it will always have kinetic energy.

Answer 2

Answer:

kinetic energy increases 4 times

Explanation:

kinetic energy =  $\frac{1}{2}m {v}^{2}$

so kinetic energy is directly proportional to v^2

coz mass is constant

so new kinetic energy changes as (2v)^2 =4v^2

so kinetic energy increases 4 times

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