What is the new separation between charges

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Reference no: EM139419

Q1. A cube of ice is taken from the freezer at -8.7°C and placed in a 97 g aluminium calorimeter filled with 351 g of water at the room temperature of 20°C. The final situation is observed to be all water at 19°C. What was the mass of an ice cube?

Q2. Two positive point charges are held in the place, 0.79 m apart. They are then moved so that their electric potential energy doubles. What is the new separation between charges?

Reference no: EM139419

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What is the new separation between charges : A cube of ice is taken from the freezer at -8.7°C and placed in a 97 g aluminium calorimeter filled with 351 g of water at the room temperature of 20°C. The final situation is observed to be all water at 19°C. What was the mass of an ice cube.

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