Suppose the bulb in a two-cell flashlight draws 4 W of power. The batteries go dead in

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Suppose the bulb in a two-cell flashlight draws 4 W of power. The batteries go dead in 45 min and cost $7.99.

(a) How many kilowatt-hours of energy can be supplied by the two batteries?

(b) What is the cost per kilowatt-hour of energy if the batteries cannot be recharged?

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Fundamentals of Ethics for Scientists and Engineers

ISBN: 978-0195134889

1st Edition

Authors: Edmund G. Seebauer, Robert L. Barry

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Question Posted: Jul 23, 2011 07:03 AM

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Suppose the bulb in a two-cell flashlight draws 4 W of power. The batteries go dead in

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a W Pt W 4 34 Wh W 0003 kWh ...View the full answer

Fundamentals of Ethics for Scientists and Engineers

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