Joule
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Tanım
Bir newton kuvvetin bir metre üzerinde yaptığı işe eşit SI enerji birimi (1 J = 1 N·m = 1 kg·m²/s²).
Açıklama
Named after physicist James Prescott Joule. Lifting a 100 g apple by 1 meter requires approximately 1 joule of energy. A food calorie (kcal) equals 4,184 joules; a AA battery stores about 9,000 J; an average human daily caloric intake of 2,000 kcal equals roughly 8.4 million joules.
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