You are sitting in a cart at the top of a hill on a roller coaster. you have 10,500 j of gpe. if your
current weight is 539 n, how tall is the hill you are sitting on?

Idon’t understand this page, can someone ?

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

What is the density of the black hole