6 points If Nick weighs 700 N on Earth and he goes to Planet K which is 3 x the
mass of the Earth but only 1/2 the size of the Earth, what is Nick's weight
on Planet K? (LT1) *
8400 N
4200 N
12 N
6 N

An engine is designed to obtain energy from the temperature gradient of the ocean. what is the thermodynamic efficiency of such an engine if the temperature of the surface of the water is 59°f (15°c) and the temperature well below the surface is 41°f (5°c)