What do radio waves and microwaves have in common?

a both are at the ideological the spectrum that has the lowest frequency
b both are at the spectrum that has the shortest wavelengths
c both have higher frequencies than visible light

Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

An object's buoyant force and weight mean the same thing. a. trueb. false