SOLUTION: In a certain city, electricity costs $0.10 per kW·h. What is the annual cost for electricity to power a lamp-post for 5.00 hours per day with (a) a 100.-watt incandescent light bul

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Question 1122864: In a certain city, electricity costs $0.10 per kW·h. What is the annual cost for electricity to power a lamp-post for 5.00 hours per day with (a) a 100.-watt incandescent light bulb (b) an energy efficient 25-watt fluorescent bulb that produces the same amount of light? Assume 1 year = 365 days.(a) 100.-watt bulb(b) 25-watt bulb
Found 2 solutions by ikleyn, MathTherapy:
Answer by ikleyn(52855)   (Show Source): You can put this solution on YOUR website!
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Answer by MathTherapy(10555)   (Show Source): You can put this solution on YOUR website!
In a certain city, electricity costs $0.10 per kW·h. What is the annual cost for electricity to power a lamp-post for 5.00 hours per day with (a) a 100.-watt incandescent light bulb (b) an energy efficient 25-watt fluorescent bulb that produces the same amount of light? Assume 1 year = 365 days.(a) 100.-watt bulb(b) 25-watt bulb
UNBELIEVABLE! This is a question from a Chemistry math class on Sampling Learning Interactive, isn't it? Have you tried to do it? I just helped a student with the test!
Ill give you a hint!! Convert 100 W (Watts) to kW (Kilowatts). Then again, it's past due at this time, I believe!
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