A charge of +4q is placed at the center of an uncharged conducting shell. What will be the charges on the inner and outer surfaces of the
shell, respectively?
a) -29, +2q
b) -4q, +42
+42
c) -29, -29
d) +42q, -4q

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

Which is the most accurate name for the ionic compound cas?

On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?