When a wave passes from one medium to another, its remains constant.
a. velocity
b. wavelength
c. frequency

How would you place two electrons on a sphere of radius r so that the electrostatic potential energy is minimized. how would you place three electrons to solve the same problem.

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Which of the following are guidelines to follow for obtaining accurate observations