Abar of brass is used to conduct heat between two heat reservoirs at temperatures of 20 degrees c and 80 degrees c. the bar has a square cross section with edge 1.0 cm. the length of the bar is 70 cm. what is the rate of thermal conductivity?

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

Use the drop-down menus to answer each question. which line represents the movement of a cart with a constant acceleration? a which line represents the movement of a cart with a constant velocity? c which lines represents a cart with no velocity or acceleration? b

What word chemical equation describes cavendish’s experiment with zinc?