An object of mass 3 kg is at rest. Now a force F = 6t^(2)hatj+2thatj N is applied on the object. Find the velocity of the object at t=3 sec.

An object of mass 3 kg is at rest. Now a force F = 6t^(2)hatj+2thatj N

1.	An object of mass 3 kg is at rest. Now a force F = 6t^(2)hatj+2thatj N is applied on the object. Find the velocity of the object at t=3 sec.
Answer» `18veci+3vecj` `18veci-3vecj` `3veci-18vecj` `3veci+18vecj` SOLUTION :`J=int_(0)^(t)F.dt, .J=m(v-u)`