Q1 what mass in grams of steam at 100 c must be mixed with, Ask an Expert

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Q1. What mass (in grams) of steam at 100 C must be mixed with 175 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 50.0 C?

Q2. On a dry road, a car with good tires may be able to brake with a constant deceleration of 4.28 m/s2. (a) How long does such a car, at first travelling at 26.4 m/s, take to stop? (b) How far does it travel in this time?

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