a BMW convertible travels at a speed of 64 km/h for 45 minutes, what distance does it travel?

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

Which one of the following research methods can show cause and effect

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