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. $ 1.613 (b) Making a piece of dark toast in 3.00 min with a 980-W toaster. (Give your answer to at least three decimal places.) 5.880e-3 Your response is off by a multiple of ten.e (c) Drying a load of clothes in 40.0 min in a 4,800 W dryer. (Give your answer to at least one decimal place.) 0.384 Your response is off by a multiple of ten.e

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. $ 1.613 (b) Making a piece of dark toast in 3.00 min with a 980-W toaster. (Give your answer to at least three decimal places.) 5.880e-3 Your response is off by a multiple of ten.e (c) Drying a load of clothes in 40.0 min in a 4,800 W dryer. (Give your answer to at least one decimal place.) 0.384 Your response is off by a multiple of ten.e

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter22: Electric Current

Section22.2: Using Electric Energy

Problem 31PP

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