Which reference point should be used to find out how far ned traveled when he went from the pet store to the swimming pool?

Picture a all traveling at a constant speed around the inside of a circular structure. is the ball accelerating? explain your answer

What is the role of the ocular lens?

Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life