A microwave oven running at 70 % efficiency delivers 950 W of energy per second to the interior. Part A Find the power drawn from the source. Express your answer using two significant figures.

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?

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