A roller coaster is at the top of a 72 and heal and has a mass of 10,000 grams calculate the potential energy at the top of the hill when the Roller coaster is still Please be real and answer the question no fake robots

frequency or wavelenth of em radiation in a vacuum

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2