The cost of energy delivered to residences by electrical transmission varies from $0.070/kWh to $0.258/kWh throughout the United States; $0.110/kWh is the average value. (a) At this average price, calculate the cost of leaving a 40-W porch light on for two weeks while you are on vacation? %24 (b) At this average price, calculate the cost of making a piece of dark toast in 3.00 min with a 900-w toaster? (c) At this average price, calculate the cost of drying a load of clothes in 40.0 min in a 5.70 x 103-w dryer?

The cost of energy delivered to residences by electrical transmission varies from $0.070/kWh to $0.258/kWh throughout the United States; $0.110/kWh is the average value. (a) At this average price, calculate the cost of leaving a 40-W porch light on for two weeks while you are on vacation? %24 (b) At this average price, calculate the cost of making a piece of dark toast in 3.00 min with a 900-w toaster? (c) At this average price, calculate the cost of drying a load of clothes in 40.0 min in a 5.70 x 103-w dryer?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 26P

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