If you were told an atom was an ion, you would know the atom must have a

What is the frequency of a light wave with a wavelength of 620nm

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Arocket starts from rest and moves upward from the surface of the earth. for the first 10.0 s of its motion, the vertical acceleration of the rocket is given by ay = 12.80 m/s32t, where the +y-direction is upward. (a) what is the height of the rocket above the surface of the earth at t = 10.0 s? b) what is the speed of the rocket when it is 325 m above the surface of the earth?