A gas at 50°C has a volume of 50 mL. If I increase the
temperature to 80°C what will its volume be?
1,/T, = 1';/T.
50mL/50C = V/80C Vi=80ml

If a star is moving toward earth, it is

What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%

The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?