Think about the sound waves and light waves that are transmitted when you use a computer,
watch TV, or use your phone. How are these waves
similar? How are they different?

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form