The speed of a wave is how far the wave travels in one unit of

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.)

Avoltaic cell converts chemical energy to

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost