What was the mass of the cube of ice

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Q. A grinding wheel of radius 0.350 m rotating on a frictionless axle is brought to rest by applying a constant friction force tangential to its rim. The constant torque produced by this force is 75.0 N · m. Find the magnitude of the friction force.

Q. A cube of ice is taken from the freezer at -8.5 degrees celcius and placed in a 75 gram aluminum calorimeter filled with 300 g of water at room temperature of 20.0 degrees celcius . The final situation is observed to be all water at 17.0 degrees celcius. what was the mass of the cube of ice?

Reference no: EM1354192

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