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A 1,633 kg car moving at 23 m/s slams on the brakes and comes to a stop in 43 m. What is the force of friction acting on the car during braking?
Answers: 2
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Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?
Answers: 1
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Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.
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An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.
Answers: 1
A 1,633 kg car moving at 23 m/s slams on the brakes and comes to a stop in 43 m. What is
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