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A lamp releases only light and thermal energy. The energy input of the lamp is 120 watts. Of that input, 80 watts is converted to light. How much energy is converted to thermal …

A lamp releases only light and thermal energy. The energy input of the lamp is 120 watts. Of that input, 80 watts is converted to light. How much energy is converted to thermal …
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A lamp releases only light and thermal energy. The energy input of the lamp is 120 watts. Of that input, 80 watts is converted to light. How much energy is converted to thermal energy?

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User Webmat
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1 Answer

4 votes
40 watts because 120-80 is forty or 80 + 40 - 120
answered
User Shihab
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