How high would you have to lift a 1000. kg car to give it a potential energy of:
(a) 2.0 x 103 J, (b) 2.00 x 105 J,

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter