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MIT 6.002 Circuits and Electronics, Spring 2007 24 Online
OpenStudy (anonymous):

According to McDonald's nutrition facts a provides kiloCalories of energy. (1 dietitian's calorie is 1000 physicist's calories.) A typical automobile lead-acid battery can supply 50 Ampere-hours at 12 Volts. We can compare these by converting the energy specifications to common units. The SI unit of energy is the Joule=1 Watt-second. One physicist's calorie is 4.2 Joules. How many Joules are there in a ? How many Joules are there in a car battery? Which tastes better? :-)

OpenStudy (anonymous):

2. p=vi p=voltage given * ampere given * 3600

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