if the mass of the body is halved and the velocity os doubled,then its kinetic energy will be
a)1/2 mv square
b)mv square
c)2mv square
d)1/4 mv square
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Answer:
The answer is option d 1/4 mv square
Answered by
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Answer:
b)mv²
Explanation:
kinetic energy = 1/2 mv²
when mass is halved and velocity is doubled
KE = 1/4mx (2v)²
=1/4m X 4v²
= mv²
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