[" The position of a particle is given by "],[r=3.0that i-2.0t^(2)hat j+4.0km],[" where "t" is in seconds and the coefficients have the proper units for "r" to "be" in metres."],[" (a) Find the v and a of the particle? "],[" (b) What is the magnitude and direction of velocity of the particle at "t=2.0s?]

The position of a particle is given by r=3.0thati-2.0t^(2)hatj+4.0hatkm where t is in seconds and the coefficients have proper units for r to be in metres . (a) Find the v and a of the particle ? (b) What is the magnitude and direction of velocity of the particle at t=2.0s ?

The position of a particle is given by r=3.0thati-2.0t^(2)hatj+4.0hatkm where t is in seconds and the coefficients have proper units for r to be in metres . (a) Find the v and a of the particle ? (b) What is the magnitude and direction of velocity of the particle at t=2.0s ?

The position of a particle is given by r=3.0hati-2.0t^(2)hatj+4.0hatkm where t is in seconds and the coefficients have proper units for r to be in metres . (a) Find the v and a of the particle ? (b) What is the magnitude and direction of velocity of the particle at t=2.0s ?

The position of a particle is given by vec r= 3.0 t hat i - 2.0 t^2 hat j + 4.0 hat k m , where (t) in seconds and the coefficients have the proper units for vec r to be in metres. (a) Find the vec v and vec a of the particle ? (b) What is the magnitude and direction of velocity of the particle at t= 2 s ?

The position of a particle is given by r=3.0r hati-2.0t^2 hatj+4.0 hatk m Where t is in seconds and the coefficients have the proper units for r to be in metres. Find the v and a of the particle?

The position of a particle is given by r=3.0t hati - 2.0t^2 hatj + 4.0 hatk m where tis in seconds and the coefficients have the proper units for r to be in metres:- Find the v and a of the particle?