The position of an object is given by ` vecr= ( 9 thati + 4t^(3)hatj) ` m. find its velocity at time t= 1s.

The velocity of an object is given by vecv = ( 6 t^(3) hati + t^(2) hatj) m//s . Find the acceleration at t = 2s.

The velocity of an object is given by vecv = ( 6 t^(3) hati + t^(2) hatj) m//s) . Find the acceleration at t = 2s.

The velocity of an object is given by vecv = ( 6 t^(3) hati + t^(2) hatj) m//s) . Find the acceleration at t = 2s.

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.

If the position vector of a body performing rectilinear motion is given by vecr = 3t^2hati + 4t^2hatj m. Find the velocity and acceleration of the particle at t= 1sec.

The position of a particle is given by barr = 3.0thati + 2.0t^2hatj + 5.0hatk . Find the velocity of particle at t=2sec

The position vector of a particle is given by vecr=(3t^(2)hati+4t^(2)hatj+7hatk)m at a given time t .The net displacement of the particle after 10 s is

The position of an object changes from vecr = ( 2hati + hatj) " m to " vecr_(1) = ( 4hati + 3hati) m in 2s. Find its average velocity.

The position of an object changes from vecr = ( 2hati + hatj) " m to " vecr_(1) = ( 4hati + 3hati) m in 2s. Find its average velocity.

The position of a particle is given by vecr = 3t hati + 2t^(2) hatj + 5hatk , where t is in seconds and the coefficients have the proper units for vecr to be in meters. The direction of velocity of the particle at t = 1 s is