If a wave is 50 meters long and has a period of 5 seconds, what is its velocity? Don’t forget units!

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.)

Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic

If steel is more dense that lake water, why can a boat float