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If the velocity of a runner changes from -2 m/s to -4 m/s over a period of time, the
runner's kinetic energy will become:
(a) four times as great as it was.
(b) half the magnitude it was.
(c) energy is conserved.
(d) twice as great as it was.
(e) four times less than it was.

Respuesta :

ayaanshinde1201

Answer:

It will be A. So since its 2 times more the kinetic energy. But then you have to square it 2^2 = 4

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