The cost of electricity varies widely throughout the United States; $0.120/kWh is a typical value. At this unit price, calculate the cost of the following. (a) Leaving a 40.0-W porch light on for 2 weeks while you are on vacation. $1.61 (b) Making a piece of dark toast in 3.00 min with a 910-W toaster. (Give your answer to at least three decimal places.) 5.46e-3 X Your response is off by a multiple of ten.¢ (c) Drying a load of clothes in 40.0 min in a 5,400 W dryer. (Give your answer to at least one decimal place.) 0.43 X Your response is off by a multiple of ten.¢

The cost of electricity varies widely throughout the United States; $0.120/kWh is a typical value. At this unit price, calculate the cost of the following. (a) Leaving a 40.0-W porch light on for 2 weeks while you are on vacation. $1.61 (b) Making a piece of dark toast in 3.00 min with a 910-W toaster. (Give your answer to at least three decimal places.) 5.46e-3 X Your response is off by a multiple of ten.¢ (c) Drying a load of clothes in 40.0 min in a 5,400 W dryer. (Give your answer to at least one decimal place.) 0.43 X Your response is off by a multiple of ten.¢

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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