QUICK PLEASE

Label the parts of the longitudinal wave.

Wavelength:

Rarefactions:

Compressions:

Although light from the sun appears white, it is actually made up of a lot of different colors. this portion of the electromagnetic spectrum, we call white light is referred to as within the electromagnetic spectrum.

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Two waves maximally constructively interfere at a point in space. among the options below, select the possible value of their phase difference at that point in space. a. zerob. πc. π/2d. not determinable by the information provided