A force that is doing work on a ball when that ball is falling through the air.

a lot of it means it can be "burned" for energy and sold at one price. if it is scarce, the price will go up

c. newton's third law of motion

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y

no. bullets are macro objects. wave nature is for light waves, extremely tiny particles. if a light particle was the size of your finger, the bullet would be the size of the universe. so basically, that huge difference in size makes the wave nature of matter insignificant.