Why does the same side of the moon always face earth? A. The rotational period of earth is the same as that of the moon B. The r
otational period of earth is equal to one revolution around earth C The rotational period of the moon is equal to one revolution around earth D. The rotational period of the moon is different than one revolution around Earth
Frequency is represented by f in the formula v=fπ. Where π is wavelength , f is frequency and v is velocity. Frequency is the number of waves passing per unit time.
