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Question

Mark the correct statement(s)
(1) If speed of a body is varying, its velocity must be varying and it must have non-zero acceleration.

(2) If velocity of a body is varying, its speed must be varying.

(3) A body moving with varying velocity may have constant speed.

(4) A body moving with varying speed may have constant velocity, if its direction of motion remains constant.


A

1 and 2 are correct

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B

1 and 3 are correct

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C

only 4 is correct

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D

3 and 4 are correct

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