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Q.

The figure shows velocity-time graph of a particle moving along a straight line. Identify the correct statement.

The figure shows velocity-time graph of a particle moving along a straight  line. Identify the correct statement. - Sarthaks eConnect | Largest Online  Education Community

 

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a

The particle starts from the origin

b

The particle crosses it initial position at t=2 s

c

The average speed of the particle in the time interval, 0t2s is zero

d

All of the above

answer is B.

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Detailed Solution

s=Displacement = area of v-t graph

At  t=2 s, net area =0

displacement=0,but distance travelled is not zero 

  s=0

and the particle crosses its initial position.

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