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Question

A particle is constrained to move on a straight line path. It returns to the starting point after 10 sec. The total distance covered by the particle during this time is 30 m. Which of the following statements about the motion of the particle is false


A

Displacement of the particle is zero

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B

Average speed of the particle is 3 m/s

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C

Displacement of the particle is 30 m

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D

Both (a) and (b)

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Solution

The correct option is C

Displacement of the particle is 30 m


Displacement of the particle will be zero because it comes back to its starting point

Average speed = Total distanceTotal time=30m10sec=3m/s


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