The overhead projector in Tom's lab has a short circuit and gives him a shock every time he touches it. After a while Tom hesitates every time he is about to touch the overhead. In this example, the projector is the ___.

The ozone hole appears in antarctica during

In which of the following would the particles move most rapidly? a. ice at -20 °c b. water at 20 °c c. steam at 110 °c d. boiling water e. ice at 0 °c

A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.