Place the location of watermelon in order from most to least potential energy: -On a roof

-Aboard a flying airplane

-On the ground

-Above a refrigerator

-On a table

Awoman stands a distance d from a loud motor that emits sound uniformly in all directions. the sound intensity at her position is an uncomfortable 2.0×10-3 w/m2. at a distance 2.6 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?

Why does lightning travel from clouds to the ground?

How does the entropy of steam compare to the entropy of ice?