Afootball fullback is running down the field at constant speed until he encounters a defensive back.

True or false: the revolution of the earth creates day and night as it rotates around the sun

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?

Blank liquids and gases exert a buoyant force on objects placed in them