If the ac peak voltage across a 100-ohm resistor is 120 V, then the average power dissipated by the resistor is

You notice the birds sitting on the electrical wires which of the following explain why the birds don't get shocked

What practical value did astronomy offer to ancient civilizations?

Aheavy boy and a lightweight girl are balanced on a massless seesaw. the boy moves backward, increasing his distance from the pivot point. what happens to the seesaw? it is impossible to predict without knowing additional information. the side the boy is sitting on will tilt downward. the side the girl is sitting on will tilt downward. nothing; the seesaw will remain balanced.