The compressor in a certain Carnot refrigerator performs 580 J of work to remove 150 J of heat from the interior of the refrigerator. How much heat must the coils behind the refrigerator discharge into the kitchen?

What particle is largely responsible for a chain reaction? proton neutron electron muon

What two simple machines make up a screw?

Which sentence uses the underlined pronoun correctly? A. Grandmother cooked all of our a special dinner last night. B. Grandmother cooked all of we a special dinner last night. C. Grandmother cooked all of us a special dinner last night.

The milky way appears to us as a patchy and irregular band across the sky. what accounts for this?

What kind of friction is occurring between a pencil and desktop when you flick the pencil? Rolling friction Fluid friction Static friction Sliding friction

What is the wavelength of an earthquake wave if it has a speed of 5 km/s and a frequency of 10 Hz?

The gamma ray released by each decay carries 140kev of energy. find the total energy e released by decays in the 2 hours.

Think of the last five things you read. Now think of a type of reading you havent done recenty have never read. What kind of pattern do you see in your reading? What is your favorite type of reading and your least favorite type of reading?

Consider this statement: Air is matter. Which facts best support the statement? A. Balloons can be filled with air. B. Air is essential for life to exist. C. Air has mass. D. Air is not an element. E. To float on air is to be happy. F.

Hydroelectric power uses: wind water coal the sun