Consider the apparatus that Joule used in his experiments on themechanical equivalent of heat, shown in the figure below. Supposethe blocks have a mass of 0.71 kg andthat it falls through a distance of 0.55 m.

(a) Find the expected rise in temperature of the water given that6200 J are needed for every 1.0°C increase. Give your answer inCelsius degrees.
(b) Would the temperature rise in Celsius degrees be greater than or less than thatof Fahrenheit?
(c) Find the rise in temperature in Fahrenheit degrees.


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