Nevermind its solved i dont know how to delete it sorry

Consider the orbit of a typical comet around the sun, which is marked at five different positions, s, z, u, x , and p. sun a b x z p s u using kepler's second law of planetary motion, rank those positions in order of their relative speeds, with the position for the fastest speed first.

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic