Question

The acceleration of a particle is given by a= t2 +2t + 3. If the particle moves with an initial velocity 2 m/s at t=0,then the velocity at the end of 3 second is

Answer 1

By integration
V =t3/3+t2+3t+v0
V3=3*3*3/3+3*3+3*3+2=27+2=29