jenny is doing a pole vault. she reached 4 meters in 5 seconds and she has a mass of 60kg. calculate the power and work done by jenny.

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

Which statement correctly describes the relationship between frequency and wavelength?

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.