we keep ω1 and ω2 constant, we can achieve the exact same effect of decreasing the brightness of each bulb by performing which of the following sets of actions?

Apebble is thrown into a calm lake, ripples are formed from the center and move outward. the water particles in the lake travel in a circular pattern that moves up and down on the surface of a lake, and the energy travels a) diagonally. b) downward. c) horizontally. d) upward.

Lightning is an example of what phenomenon? a release of a large amount of energy an absorption of a large amount of energy a natural electric circuit a natural electric current

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical