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Question

A velocity - time graph of a particle moving rectilinearly can give which of the following quantities with time

A
Change in speed
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B
Change in velocity
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C
Distance covered
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D
Change in position
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Solution

The correct option is D Change in position
Area of vt graph = Displacement of the particle
We already know, Displacement = Change in position of the particle
Hence, area of vt graph gives change in position. Hence (d) is correct.
|Area under the vt graph|=Distance
Hence, we can obtain distance covered by the particle from vt graph.
option (c) is correct
We can read velocity data on the v - axis. So we can get change in speed and velocity.
Hence (a) and (b) are also correct.

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