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  4. Displacement time graph of a particle moving in a straight line is as shown in figure-3.120. Select the correct alternative(s) :

Q. Displacement time graph of a particle moving in a straight line is as shown in figure-. Select the correct alternative(s) :

Work, Energy and Power Report Error

Solution:

In the region the speed of particle is uniform hence no work is being done on the particle. In region particle is retarding so work done by external forces on the particle is negative.

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