The answer to your problem is I believe (B.)
Electrons
the in an atom move about in the space surrounding the nucleus
Answer:
centripetal force- a fore force acts on a body moving in a circular path and is directed towards the center the body is moving
centrifugal force-is a force that acts outward and moving around a center like at six flags and swings tahts fly u in air or the spinning things at the park
direction of the velocity- velocity being a victor has both a magnitude and a direction
I am absolutely sure that the Doppler Effect means that all observers of a moving wave source detect the same wave frequency. is not a correct statement. I consider it to be FALSE because when <span>Doppler Effect occurs the change in frequency of wave changes because of the relative motion between observer and source.Hope everything is clear. Regards!</span>
