Formula for Kinetic energy (k) is ?
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k = (1/2).m.v.v.v
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k = 0.5m.v
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k = (1/2).m.v
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k = (1/2).m.v.v
D
Correct answer
Explanation
The correct formula for kinetic energy is k = (1/2)mv², where m is mass and v is velocity. Option D correctly shows k = (1/2).m.v.v which represents mv². Option A has an extra v (v³), Option B is incomplete (0.5mv), and Option C only has mv (not squared).