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In following given figure!!! different d-t graphs are given ...Now plzz explain me which of them indicates uniform and constant velocity? graph b or d ??? and plz also explain what is difference between uniform and constant velocity?

In following given figure!!! 
different d-t graphs are given ...Now plzz explain me which of them indicates uniform and constant velocity? graph b or d ??? and plz also explain what is difference between uniform and constant velocity?

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Grade:12th pass

1 Answers

Eshan
askIITians Faculty 2095 Points
5 years ago
Dear student,

The velocity of a body as a function of its displacement is given as-

v=\dfrac{dx}{dt}which is actually the slope of x-t curve.

Hence a body moving with uniform velocity will have an x-t curve with uniform (or unchanging) and non-zero slope, and hence a straight line. Hence option (a) and (d) represent it.

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