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In the Joule experiment, a mass of 20 kg...

In the Joule experiment, a mass of 20 kg falls through 1.5m at a constant velocity to stir the water in a calorimeter. If the calorimeter has a water equivalent of 2 g and contains 12 g of water, what is f, the mechanical equivalent of heat, for a temperature rise of `5.0^@C`?

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To solve the problem, we will follow these steps: ### Step 1: Calculate the change in potential energy (ΔU) The change in potential energy when a mass falls is given by the formula: \[ \Delta U = mgh \] Where: ...
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