Physics, 04.10.2019 22:00 janyiareese12
Eva is in a closed, dark room. she uses her arm muscles to turn on a lamp. when she moves her hand closer to the lamp, the light heats her hand. the light bounces off the pages of a book and into her eyes. if this room is a closed system, what happens to the total amount of energy in the room? a. it increases, then decreases. b. it increases. c. it decreases. d. it remains constant.
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Eva is in a closed, dark room. she uses her arm muscles to turn on a lamp. when she moves her hand c...
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