Question

find the answer for this question by giving steps​

Answer 1

Answer:

v=d(x)/dt

 =d(5x^3-10x^2+5x)/dt

v=15x^2-20x+5

At time t=2 s,

               Velocity v=15 x 2^2-20 x 2+5

                                =25 m/s

 Acceleration a=dv/dt

                         =d(15x^2-20x+5)/dt

                         =30x-20

At time t=2 s,

            Acceleration a=30 x 2-20

                                     =40 m/s^2

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