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mcyyan mcyyan
wrote...
Posts: 74
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9 years ago

How long must a 75 W light bulb run in order to consume 1.0  106 joules of electrical energy?
 minutes
Read 891 times
5 Replies

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Replies
wrote...
Educator
9 years ago
Conversion: 75 W = 75/s

Therefore, it will take a time of...

Time = 106J / 75 J/s = # s Rightwards Arrow Convert to hours.
mcyyan Author
wrote...
9 years ago
I dont know how to convert
wrote...
Educator
9 years ago
3600 seconds = 1 hour

So, divide your seconds by 3600.
mcyyan Author
wrote...
9 years ago
I get the answe is 3.70 but isnt correct
wrote...
Educator
9 years ago
I got the same... Do you have a list of options to choose from?
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