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8 February, 13:45

Which of these is an experiment generally regarded as being first carried out by James Joule?

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

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Answers (2)
  1. 8 February, 14:35
    0
    James Prescott Joules is regarded as being the first person to carry out experiments regarding the interconvertibility of mechanical energy to Thermal or other forms of energy, one of these experiments was measuring change in water temperature by stirring, the unit Joule is named after him for his contributions.
  2. 8 February, 15:48
    0
    The correct answer for this question is this one: "measuring the temperature increase of water from doing work stirring it." This experiment is generally regarded as being first carried out by James Joule is this one, measuring the temperature increase of water from doing work stirring it.
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