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JAMES PRESCOTT JOULE

JAMES PRESCOTT JOULE. ~ a brief biographical sketch by ~ Carl J. Wenning. James Prescott Joule. English physicist Born: Salford, Lancashire, England, December 24, 1818 Died: Sale, Cheshire, October 11, 1889. Most notable accomplishments.

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JAMES PRESCOTT JOULE

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  1. JAMES PRESCOTT JOULE ~ a brief biographical sketch by ~ Carl J. Wenning

  2. James Prescott Joule • English physicist • Born: Salford, Lancashire, England, December 24, 1818 • Died: Sale, Cheshire, October 11, 1889

  3. Most notable accomplishments • First to accurately establish mechanical equivalent of heat: 1 cal = 4.184 J (4.15) • Worked out resistive heating Q=I2Rt (at 22) • Showed that heat is caused by motion

  4. Other accomplishments • Measured heat associated with every conceivable process.

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