Why is solar energy becoming more common for household electricity use?
Select one:
O a. chem...
Physics, 17.08.2021 22:40 kristen0517
Why is solar energy becoming more common for household electricity use?
Select one:
O a. chemical storage batteries are dangerous
O b. becoming less expensive
C. becoming more expensive
d. solar cells are smaller today than in the past
Answers: 2
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The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
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If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?
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