Theposition vector of a moving particle at time t is `r=3hati+4thatj-thatk` Its displacement during the time interval `t=1` s to t=3` s is

The position vector of a moving particle at seconds in given by vecr=3hati+4t^(2)hatj-t^(3)hatk .Its displacement during an interval of 1s to 3s is

The position vector of a moving particle at t sec is given by r=3hat i+4t^(2)hat j-t^(3)hat k . Its displacement during an interval from 1s to 3s is

The position vector of a moving particle at't' sec is given by vecr = 3hati + 4t^(2)hatj - t^(3)hatk . Its displacement during an interval of t = Is to 3 sec is

The position vector of a moving particle at't' sec is given by vecr = 3hati + 4t^(2)hatj - t^(3)hatk . Its displacement during an interval of t = Is to 3 sec is

The position vector of a particle is vecr=4t^(2)hati+2thatj+3hatk . The speed of the particle t=5s is