Describing convection
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complete the passage to describe convection.
during convection, heat warms up a fluid, making the fluid less dense so it begins to
it begins to causing the fluid to
as the warm fluid moves,
it begins causing the fluid to

Copper has free electrons per cubic meter. a 71.0-cm length of 12-gauge copper wire that is 2.05 mm in diameter carries 4.85 a of current. (a) how much time does it take for an electron to travel the length of the wire? (b) repeat part (a) for 6-gauge copper wire (diameter 4.12 mm) of the same length that carries the same current. (c) generally speaking, how does changing the diameter of a wire that carries a given amount of current affect the drift velocity of the electrons in the wire?

You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished

Select all the correct answers. which three statements about electromagnetic radiation are true?