question_answer

A force F depends on displacement x as \[F=6x+4,\] where F is in Newton and x in metre, and it acts on a mass \[m=2\text{ }kg\] which is initially at rest at point \[x=0\]. Find the velocity (in m/s) of mass when \[x=2\text{ }m\] (Assume that no other force is acting on mass m.)

Answer:

4.47