(Answered) Suppose you have a light bulb that emits 100 watts of

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Suppose you have a light bulb that emits 100 Watts of visible light. How far away would you have to put the light bulb for it to have the same apparent brightness as does Alpha Centauri A in our sky? (hint: Use 100 Watts as L in the inverse square - law and use the apparent brightness given above for Alpha Centauri A, then solve for distance.)

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