the kinetic energy of an object moving with certain velocity is 50 j. what will be it's kinetic energy when it's (a)- velocity is doubled (b) - velocity is tripled
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Answer:
a
Explanation:
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Explanation:
Energy when V = 2v
= 1/2m(2v)^2 = 4(1/2mv^2)
The kinetic will be four times.
Energy when V = 3v
= 1/2m(3v)^2 = 9(1/2mv^2)
The kinetic will be nine times.
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