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Q.

Figure shows the graph of the x-coordinate of a particle going along the x-axis as function of time.

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The speed of particle at t = 12.5 s (in ms-1) is ………..

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a

b

c

d

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Detailed Solution

At B, velocity is 2 ms-1
slope of AB=y2-y1x2-x1=0-816-12=-2m/s

As speed is always positive.
So, speed of particle at t = 12.5 s is 2 ms-1

 

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Figure shows the graph of the x-coordinate of a particle going along the x-axis as function of time.The speed of particle at t = 12.5 s (in ms-1) is ………..