A point moves in the straight line during the time t=0 to t=3 according to the law `s=15t-2t^2`. The average velocity is

A particle moves along a line according to the law s=t^4-5t^2+8 . The intial velocity is

A particle moving according to the law s=6t-1/2t^3 . At what time its velocity vanishes ?

A particle moves according to the law s=t^3-6t^2+9t+ 15 . Find the velocity when t=0 .

A particle moves so that the distance moved is according to the law s(t)=(t^(3))/(3)-t^(2)+3 . At what time the velocity and acceleration are zero respectively ?

A particle moves so that the distance moved is according to the law s(t)=t^3/3-t^2+3 . At what time the velocity and acceleration are zero respectively?

A particle moves along a straight line according to the law s=t^3-3t^2+5t . Find its velocity and acceleration at the end of 1 sec.

Velocity-time graph of a particle moving in a straight line is shown in figure. In the time interval from t = 0 to t = 14 s, find (a) average velocity and (b) average speed of the particle.