The positoin vector of a particle is `vecr=(acos omegat)hati+(asinomegat)hatj`. The velocity of the paritcle is

The position vector of a particle is vecr = (a cos omega t)hati + (a sin omegat)hatj . the velocity of the particle is

The position vectors os a particle is r=(acosomegat)hati+(asinomegat)hatj. The velocity of particle is

The displacement of a particle is given by r = A (cos omegat hati + sin omegat hatj ) . The motion of the particle

The position vector of the particle is r(t)=acos omegat hati+a sin omega thatj , where a and omega are real constants of suitable dimensions. The acceleration is

Position vectors of a particle moving in xy plane at time t is vecr=a(1-cos ometat)hati+asin omegat hatj . The path of the particle is

The position vector of the particle is vecr=3t^2 hati+5t hatj+9hatk . What is the acceleration of the particle?

If the position vector of the particle is given by vecr = 3 t^2 hati + 5t hatj + 4hatk . Find the velocity of the particle at t = 3s.