QUESTION 24 2 point
A man travels 40 km eastwards, then 40 km to the south before finally travelling
10 km west. At the end of his journey the magnitude of his displacement is

In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy