Acopper wire has area 2mm2 carries current 10a. how many electrons pass through given area in one second?

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.