Assertion (A): the slope of displacement-time graph of a body moving with high velocity is steep...

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Assertion (A): the slope of displacement-time graph of a body moving with high velocity is steeper than the slope of displacement-time graph of a body with low velocity.
Reason (R): Slope of displacement-time graph = velocity of the body.
(1) Assertion (A) is true, Reason (R) is true; Reason (R) is a correct explanation for Assertion (A).
(2) Assertion (A) is true, Reason (R) is true; Reason (R) is not a correct explanation for Assertion (A).
(3) Assertion (A) is true, Reason (R) is false.
(4) Assertion (A) is false, Reason (R) is true.
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