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A freezer has a coefficient of performance of 2.40. The freezer is to convert 1.98kg of water at 26.0 oC to 1.98kg of ice at -5.00 oC in 1 hour.
Part A What amount of heat must be removed from the water at 26.0 oC to convert it to ice at -5.00 oC ?
Part B How much electrical energy is consumed by the freezer during this hour?
Part C How much wasted heat is rejected to the room in which the freezer sits?
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Two long, parallel wires, each with the mass per unit length of 43 g/m, are supported in a horizontal plane by 6-cm long strings. Each wire carries the similar current, I, causing the wires to repel each other so that the angle, θ, between the sup..
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