Question

If a force of 15.0 N directed east acts on a stationary 5.00kg mass, what are its acceleration, displacement and velocity after 10.0s

Answer 1

The acceleration is

$$a=F/m=3\text{ m/s}.$$

The displacement is

$$D=at^2/2=150\text{ m}.$$

The velocity is

$$v=at=30\text{ m/s}.$$