Physics, 26.02.2021 20:50 danielasena21
A 55 kg skater spins with a speed of 7.2 m/s with her arms outstretched making a
radius of 0.6 m. Calculate the angular momentum of the skater. *
33 kg m^2/s
0 237.6 kg m^2/s
396 kg m^2/s
660 kg m^2/s
Answers: 3
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Simple machines can a. increase force only b. decrease force only c. increase or decrease force
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Acylinder with a movable piston contains 11.7 moles of a monatomic ideal gas at a pressure of 1.32×10^5 pa. the gas is initially at a temperature of 300 k. an electric heater adds 43200 j of energy into the gas while the piston moves in such a way that the pressure remains constant. cp=20.79 j k^−1 mol^−1 for a monatomic ideal gas, and that the number of gas molecules is equal to avogadro's number (6.022×10^23) times the number of moles of the gas. (a) what is the temperature of the gas after the energy is added? (b) what is the change in volume of the gas? (c) how much work is done by the gas during this process?
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What are two different ways you could find the value of a? explain these methods.
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Which accounts for an increase in the temperature of a gas that is kept a constant volume
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A 55 kg skater spins with a speed of 7.2 m/s with her arms outstretched making a
radius of 0.6 m. C...
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