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25.The displacement x of a body of mass1kg on smooth horizontal surface as a function of time t is given by x=t*t*t/3 (where x I'm metres and t in seconds ).Find the work done by the external agent for the first one second.

Answer» 25.The displacement x of a body of mass1kg on smooth horizontal surface as a function of time t is given by x=t*t*t/3 (where x I'm metres and t in seconds ).Find the work done by the external agent for the first one second.


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