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All I need help on, is the first one on the top row. Thanks :))
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Aug 12, 2022
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All I need help on, is the first one on the top row. Thanks :))
Physics
high-school
Nick Burke
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9
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Answer:
1a)40-27=13
1b) heat
1c)efficiency = W out/W in
so 27/40= 67%
Meathanjay
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Aug 14, 2022
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Meathanjay
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12
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13J is wasted energy.
The wasted energy is thermal energy (heat).
The light bulb’s efficiency is 67.5%
Alind Billore
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Aug 17, 2022
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Alind Billore
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