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

The position vector of a moving particle at .t. sec is given by vecr =

1.	The position vector of a moving particle at .t. sec is given by vecr = 3hat(i)+4t^(2)hat(j)-t^(3)hat(k). Its displacement during an interval of t = 1s to 3 sec is
Answer» `HAT(j) - hat(k)` `3I + 4J - k` `9hat(i) + 36hat(j) - 27hat(k)` `32hat(j) - 26hat(k)` Answer :D