Physics, 14.09.2019 08:30 sammybrain
In your first lab, you will measure the diameter and height of a cylinder. the diameter will be measured with a micrometer and the height will be measured with a vernier caliper. say you measure a diameter of 5.1±0.0005 cm and a height of 37.6±0.005 cm. what will be the uncertainty in your volume?
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The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg · s2). use g = 9.80 m/s2 and calculate the mass m of the ball.
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Arefrigerator uses r-134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle except for the compression process. the refrigerant enters the evaporator at 120 kpa with a quality of 34 percent and leaves the compressor at 70°c. if the compressor consumes 450 w of power, determine (a) the mass flow rate of the refrigerant, (b) the condenser pressure, and (c) the cop of the refrigerator. (0.00644 kg/s, 800 kpa, 2.03)
Answers: 1
In your first lab, you will measure the diameter and height of a cylinder. the diameter will be meas...
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