Question

a particle of mass 10 kg , subject to a force F=(120t+40)N, moves in a straight line .At time t=0 ., the particle is at x=5m, with a velocity v=6m/s . Its velocity at t=10 sec is. ......1)646m/s. 2) 346m/s. 3)546m/s. 4)446m/s.​

Answer 1

Answer:

The answer is 1)646m/s