Two identical cubes have the same temperature. One of them, however, is cut in two and the pieces are separated (see the drawing). The radiant energy emitted by the cube cut into two pieces is Qtwo pieces and that emitted by the uncut cube is Qcube. What is true about the radiant energy emitted in a given time?

Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons

What was the first instrument to ever record an earthquake?

Which of the following is the largest disadvantage of about half of the electricity in the united states comes from burning