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A ball is thrown vertically upwards in a...

A ball is thrown vertically upwards in air. If the air resistance cannot be neglected (assume it to be directly proportional to velocity), then the acceleration of the ball at the highest point will be :

A

at the highest point acceleration of the ball is zero

B

at the highest point acceleration of the ball is g.

C

in upward motion (when ball is moving upwards) acceleration of the ball is more (in magnitude) than `g`.

D

in downward motion (when ball is moving downwards) acceleration of the ball is less (in magnitude) than `g`.

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B, C, D
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