The antenna for an am radio station is a 77.5 m high tower whose height is equal to one‑quarter the wavelength of the broadcast signal. at what frequency does the station transmit?

Two vectors are shown. which statement best compares the vectors? vector x has greater magnitude than vector y. vector y has greater magnitude than vector x. the vectors have the same displacement. the vectors have the same direction.

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain