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If you have a 60 Watt light bulb and a 75 Watt light bulb that are going to stay lit for 2.5 days, how many photons with a wavelength of 650 nm would it take to get the job done?

User Astletron
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1 Answer

1 vote

Answer:

I think 4 days

Step-by-step explanation:

I just think it is 4 i think i am worng tho

User DVarga
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