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A particle P moves with speed .v. along ...

A particle P moves with speed .v. along AB and BC, sides of a square ABCD. Another particle Q also starts at a and moves with the same speed but along AD and DC of the same square ABCD. Then their respective changes in velocities are

A

equal in magnitude but different in direction

B

different in magnitude but same in directions

C

different both in magnitude and direction

D

same both in magnitude and direction

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The correct Answer is:
A
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