1. What is the gravitational force between a 100 kg football player and the Earth at 5.98 x 1024 kg, with a distance of 6.38 x 106 m?

Wavelength, frequency, and energy are related. what happens to a wave as it’s wavelength gets shorter?

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.

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.