1.

A particle is moving in a straight line so that after t seconds its distance is s (in cms) from a fixed point on the line is given by s= f(t)=8t+t^3. Find the velocity at time t= 2sec (ii) the initial velocity can acceleration at t=2 sec

Answer»


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


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