Shantel has a very specific goal to marry a man with inherited wealth. As a consequence, whenever she meets new prospective mates, she consciously judges them based on the presence or absence of what she considers to be external indicators of wealth, including expensive clothing and accessories and straight, sparklingly white teeth. In this example, Shantel is using to categorize her prospective mates.

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?