Get premium membership and access revision papers with marking schemes, video lessons and live classes.

Processing. Please wait.

The acceleration a ms-1 of a particle is given by `a=25-9t^2`, where t is the time in seconds after the particle passes a fixed point O. if the particle passes O, with a velocity of 4 m`s^-1`, find (a) An expression for velocity V, in terms of t (b) The velocity of the particle when t= 2 seconds