What is the approximate cost of operating a 80 W light bulb for 3.0 h per day for 2 weeks, if theprice of electrical energy is 6¢/kWh? a. $20.00 b. $5.00 c. 20¢ d. 5¢ Two forces are acting on a 5 kg mass. One of the forces is 10 N south and the other is 15 N east. The magnitude of the acceleration of the mass is a. 25 m/s² b. 5 m/s² c. 3.6 m/s² d. 18 m/s²
What is the approximate cost of operating a 80 W light bulb for 3.0 h per day for 2 weeks, if theprice of electrical energy is 6¢/kWh? a. $20.00 b. $5.00 c. 20¢ d. 5¢ Two forces are acting on a 5 kg mass. One of the forces is 10 N south and the other is 15 N east. The magnitude of the acceleration of the mass is a. 25 m/s² b. 5 m/s² c. 3.6 m/s² d. 18 m/s²
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter7: Work, Energy, And Energy Resources
Section: Chapter Questions
Problem 32PE: A person in good physical condition can put out 100 W of useful power for several hours at a...
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