a roller coaster is at the top of a 72m hill and weighs 134 kg. the coaster (at this moment) has potential energy. calculate it

labor day, patriot day, leaves start to change colors then fall from the tree

are there answer choices to this question? this seems like a question where you have options to choose from.

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees. 

thermal energy is the answer