Two electric charges, q1 and q2, are separated by 20 cm. The value of k is 9x109 N·m2/C2 . q1 equals 1 μC and q2 equals -5 µC. Recall that “µ” means “micro”, which is 10^6. Question is written clearly on photo.

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