Question

In the determination of J buy Joule's experiment, the weights of mass 1kg each were allowed to fall through 1m. When the fell 80 times the temperature of the water in the calorimeter increased by 3∘C. Calculate J if the time taken for each fall was 1 second and the water equivalent of the calorimeter and its contents 100×10−3 kg. Sp. heat capacity of water =1000calkg−1K−1.

Answer 1

Answer:

In the determination of

buy Joule's experiment, the weights of mass

each were allowed to fall through

. When the fell 80 times the temperature of the water in the calorimeter increased by

. Calculate

if the time taken for each fall was 1 second and the water equivalent of the calorimeter and its contents

kg. Sp. heat capacity of water

Please mark as the "Brainliest".

Answer 2

Through this experiment, Joule determined the mechanical equivalent of heat to be equal to 4,186 J/cal, value of extraordinary precision for the time.

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