Question

What will be kinetic engry if mass and velocity both of a body be doubled

Answer 1

Explanation:

$k.e = \frac{1}{2} mv {}^{2}$

Thus Kinetic energy is directly proportional to mass and velocity. Since mass is directly proportional to K.E and K.E is directly proportional to the square of velocity the kinetic energy becomes eight times.

Answer 2

Answer:

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