What is the potential energy of a rock that weighs 100 newtons that is sitting on top of a hill 300 meters high?

Which best describes the purpose of the south carolina exposition and protest, which was written by john c. calhoun? a) to explain why the south was nullifying the tariff of 1828 b) to describe the ways the tariff of 1828 would southerners c) to persuade northern states to rebel against the federal government d) to ask england for if the south decided to secede from the union

When arriving at a navigation lock what is the order of priority

Name that largest artificial lake built in the 11th century