How to estimate the initial temperature of the hot horseshoe

Reference no: EM1365274

Q. A hot iron horseshoe (mass=0.40 kg), just forged is dropped into 1.60 L of water in a 0.30-kg iron pot initially at 20 degree celsius. If the final equilibrium temperature is 25.0 degree cesius, estimate the initial temperature of the hot horseshoe.

Q. How much work does the electric field do in moving a -7.7µC charge from ground to a point whose potential is +55V higher?

Reference no: EM1365274

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