The displacement - time graph of a particle moving along a straight line is given below. Find the time at which its velocity is equal to zero.
A
0
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B
2
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C
4
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D
None of these
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Solution
The correct option is C2 The slope of displacement - time graph gives us the velocity. From the given graph, we see that the slope at t=2 is 0. Hence, velocity at t=2 is 0.