Which is example of radiation

=force × distance a. work b. velocity c. pressure d. momentum

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?

Most short-period comets do not have randomly oriented orbits because