The metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off. This simple process is which kind of a change?
OA a physical change
OB. a chemical change
OC. a nuclear change
OD
an ionic change

answer: point c: b. 1/2 potential, 1/2 kinetic, point a: 3/4 of its potential energy, point d or b: 3/4 potential, 1/4 kinetic

explanation: i cant explain. it's difficult to explain.

the answer is b

explanation:

it about 600 mph from what i calculated

positive reinforcement? ?