1.

A particle is moving in a straight line so that after 't' seconds its distance is 'S' (in cms) from a fixed point of the line is given be S=f(t)=8t+t^3. Find (i) the velocity at time t=2 (ii) the initial velocity (iii) acceleration at t=2 sec

Answer»


ANSWER :(i) 20 cm/sec (ii) 8 cm/sec (iii) 12 cm/sec`""^(2)`


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