When is the best time to take a resting heart break A. One hour after eating a meal.

B. Just before going to bed at night.

C. One hour after vigorous exercise.

D. Just after waking in the morning.

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