Nathan applies 40 newtons of force to a shopping cart. He moves the cart a distance of 5 meters. Nathan did how many newton-meters of work on the cart.

What is the role of the ocular lens?

Positrons are spontaneously emitted from the nuclei of

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