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The velocity time plot for a particle m...

The velocity time plot for a particle moving on straight line is shown in the figure.

A

The particle has a constant acceleration..

B

Theparticle has vever turned around.

C

The particle has zero displacement .

D

The average speed in the interval `0 `to `10 s` is the same as the average speed in the interval `10 s to 20 s`.

Text Solution

Verified by Experts

The correct Answer is:
A, D
Since the graph is a straight line, its slope is constant. Means acceleration of the particle is constant. Veloctity of the particles changes from positive to negative at `t=10 s`. So particle changes derticle at this time. The particle has zero displacement up to `20 s`, but not for the entire motion. The average speed in the interval of `10 s` to `20 s` because distance covered in both in the intervals is same.
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