Lightbulb A was found out to give 30.0W of power, producing the same brightness as lightbulb B operating at 9.50W. The Lifetime of A is 9 000 hours and can be bought at Php229.00. B has lifetime of 750 hours and can be bought at Php39.00. Which bulb is more efficient in energy saving? Determine the total amount saved when choosing the efficient bulb over the same period of time. Assume that Meralco charges Php9.65 per kWh.
Lightbulb A was found out to give 30.0W of power, producing the same brightness as lightbulb B operating at 9.50W. The Lifetime of A is 9 000 hours and can be bought at Php229.00. B has lifetime of 750 hours and can be bought at Php39.00. Which bulb is more efficient in energy saving? Determine the total amount saved when choosing the efficient bulb over the same period of time. Assume that Meralco charges Php9.65 per kWh.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Lightbulb A was found out to give 30.0W of power, producing the same brightness as lightbulb B operating at 9.50W. The Lifetime of A is 9 000 hours and can be bought at Php229.00. B has lifetime of 750 hours and can be bought at Php39.00. Which bulb is more efficient in energy saving? Determine the total amount saved when choosing the efficient bulb over the same period of time. Assume that Meralco charges Php9.65 per kWh.
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