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in Physics by (76.3k points)
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A particle is moving along X-axis under a force such that its position -time graph is as shown in figure.
image
As the particle passes position (2):
A. it is moving along negative X-direction with a maximum speed
B. it is moving along positive X-direction with a minimum speed
C. it is moving along negative X-direction and its speed is zero here
D. it is moving along negative X-direction with a minimum speed

1 Answer

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Best answer
Correct Answer - A
If `(dx)/(dt)` slope of `x - t` curve is zero. Then particle will be at rest.
If `(dx)/(dt) gt 0` velocity is `+ve`
If `(dx)/(dt) lt 0` velocity is `-ve`

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