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 80.0-W porch light on for 2 weeks while you are on vacation. $ 3.23 (b) Making a piece of dark toast in 3.00 min with a 860-W toaster. 0.00516 X Your response is off by a multiple of ten.¢ (c) Drying a load of clothes in 40.0 min in a 5,800 W dryer. 0.464 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 80.0-W porch light on for 2 weeks while you are on vacation. $ 3.23 (b) Making a piece of dark toast in 3.00 min with a 860-W toaster. 0.00516 X Your response is off by a multiple of ten.¢ (c) Drying a load of clothes in 40.0 min in a 5,800 W dryer. 0.464 Your response is off by a multiple of ten.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter22: Electric Current

Section: Chapter Questions

Problem 93A

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