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Work and Energy: Car, Gasoline, Air Conditioning, and Baseball

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Section 1. Jim owns a car. Does his car use more gasoline when its lights are on? When the air conditioner is on? (Note: The battery does not run these devices while the engine is running.) Explain.

Section 2. Sally wants to measure how much work she did during her throw of a baseball. How?

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Solution Summary

The expert examines car, gasoline, air conditioning and baseball for work and energy.

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1: Yes and Yes
Both lights and A/C use energy.
Even if some of it may temporarily come from the battery, the battery will have to be eventually ...

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