anonymous
  • anonymous
Immortalhd needs help
Physics
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katieb
  • katieb
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anonymous
  • anonymous
1. Which of these is an experiment generally regarded as being first carried out by James Joule? (Points : 1) observing that objects increase in temperature when heated with fire showing that friction slows down the motion of objects measuring the temperature increase of water from doing work stirring it testing the mechanical advantage of pulleys
anonymous
  • anonymous
what about his demonstration of the electrical equivalence of heat?
anonymous
  • anonymous
it isn't here

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anonymous
  • anonymous
"Measure the temperature increase of water from doing work stirring it" is the same concept as what he discovered. (conservation of energy / that heat and mechanical energy are two forms of the same thing)
anonymous
  • anonymous
Joules Law equivalence of electrical energy and heat, was his first publication. 1840 and refined 1844.

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