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Question

When velocity time graph is a straight line parallel to time axis then it means ___.

A
its acceleration is zero
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B
its acceleration is const
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C
its acceleration is variable
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D
its velocity is zero
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Solution

The correct option is A its acceleration is zero
When the velocity-time graph is a straight line parallel to time axis then its acceleration is zero. This is because velocity is constant w.r.t time ie., change in velocity is zero. Hence, the acceleration is also zero.

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