If you were to take all of the potatoes chips Americans eat in a year and scale up a standard sized bag to fit them, how tall would that bag be?

What are the phases shown in a and d called?

In what direction does the medium move relative to the direction of the wave? explain.

Which is an example of gaining a static charge by conduction? a) rubbing a balloon against your hair. b) shuffling your shoes across a carpet. c) bringing a charged rod near an electroscope. d) touching your car on a cold day and getting a shock.