Before the field of physics was officially defined, it was a mixture of

Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.

An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.