Define acceleration of a particle?

Define average acceleration of a particle. Represent average acceleration in a vector form.

Define centripetal acceleration. Derive anexpression for the centripetal acceleration of a particle moving with uniform speed v along a circular path of radius r. Discuss the direction of this acceleration

If a particle is executing simple harmonic motion, then acceleration of particle

During a accelerated motion of a particle

During a accelerated motion of a particle

The position x of a body is defined by equation x = Pt^(2)- Q t^(3) . The acceleration of the particle will be zero at time equal to

When the average acceleration of the particle becomes instantaneous acceleration ?

A particle revolves round a circular path. The acceleration of the particle is