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Bihar Police SI Exam 24-Apr-2022 Shift 1 Paper

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Question : 49 of 100

Marks: +1, -0

The kinetic energy of a particle moving with velocity 'v' is 'K’. If the velocity is reduced to ‌

rd of its initial value. Then kinetic energy becomes :

9K
‌
K
9
3K
‌
K
3

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