The velocity of particle moving in straight line is decreasing at rate of 3m/s per metre of displacement at an instant when the velocity is 10m/s. Determine the acceleration of the particle at this instant.

Dear Chilukuri

given dv/ds=3

or v=3s

 or a =dv/dt =3 ds/dt

                  =3v  

         a= 3*10 =30 m/sec2

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