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in Physics by (69.2k points)

The angular momentum of a particle relative to a certain point O varies as Vector L = Vector a + Vector bt2 where Vector a and Vector b are constant vectors with Vector a perpendicular to vector b  . The  Vector τ torque relative to the point O acting on the particle when angle between Vector τ and vector L  is 45º is :

(D) zero

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Best answer

Correct option: (C)

Explanation:

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