Q.

A particle moves in XY plane under the influence of a force such that its linear momentum is Question Image , where A and k are positive constants.

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a

The magnitude of the force is Ak

b

The angle between acceleration and velocity vectors is always Question Image

c

The angle between force and momentum isQuestion Image

d

The angle between force and momentum isQuestion Image

answer is A, B, D.

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Detailed Solution

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Thus the angle between force and momentum is Question Image

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A particle moves in XY plane under the influence of a force such that its linear momentum is , where A and k are positive constants.