four object move according to the path shown in the diagram below a b c and d what is the distance and displacement of the object

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?

What can you increase the strength of an electromagnet by

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?