You put in 222 j of work pushing a box up a ramp. if the ramp does 222 j of useful work, what is the efficiency of the ramp

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?

The process of a material going through a change of state from a gas to a liquid

The dominant wavelength of energy emitted by the sun is