For the water heater in the previous question, how muc does it cost to run t month? Assume a month is 30 days.

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter28: Current And Resistance
Section: Chapter Questions
Problem 57PQ
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2) Please help with the following question! (second part only)

A certain electrical water heater produces heat at a rate of 4500 W for an average of 2.00
hours per day. It runs on 220V. Assume the cost of electricity is $0.21/kw-hr.
What is the resistance in ohms of the water heater?
Transcribed Image Text:A certain electrical water heater produces heat at a rate of 4500 W for an average of 2.00 hours per day. It runs on 220V. Assume the cost of electricity is $0.21/kw-hr. What is the resistance in ohms of the water heater?
For the water heater in the previous question, how muc does it cost to run this heater per
month? Assume a month is 30 days.
Transcribed Image Text:For the water heater in the previous question, how muc does it cost to run this heater per month? Assume a month is 30 days.
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