The label on a 120-v truck battery states that it is rated, Ask an Expert

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The label on a 12.0-V truck battery states that it is rated at 150.0 A·h (ampere-hours). Treat the battery as ideal.

(a) How much charge in coulombs can be pumped by the battery? [Hint: Convert A·h to A·s.]

(b) How much electric energy can the battery supply?

(c) Suppose the radio in the truck is left on when the engine is not running. The radio draws a current of 2.20 A. How long does it take to drain the battery if it starts out fully charged?

hours

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