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Physics, 30.04.2021 14:00, dragonmaster837
A small cart weighing 3 kg, pushed by a spring with a coefficient of elasticity of 2.2 Ć 10ā“ N / m and compressed by 6 cm. Calculate the speed gained by the cart and the path it travels in a horizontal plane knowing that the friction force is 1.5 Nā
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Physics, 22.06.2019 02:50, lilybear1700
Steam is generated in a boiler of a cogeneration plant at 10 mpa and 450Ā°c at a steady rate of 5 kg/s. in normal operation, steam expands in a turbine to a pressure of 0.5 mpa and is then routed to the process heater, where it supplies the process heat. steam leaves the process heater as a saturated liquid and is pumped to the boiler pressure. in this mode, no steam passes through a condenser, which operates at 20 kpa. (a) determine the power produced in the turbine and the rate at which process heat is supplied in this mode. (b) determine the power produced in the turbine and the rate of process heat supplied if only 60 percent of the steam is routed to the process heater and the remainder is expanded to the condenser pressure. (3.32 mw; 9.69 mw; 4.25 mw; 5.82 mw)
Answers: 3
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A small cart weighing 3 kg, pushed by a spring with a coefficient of elasticity of 2.2 Ć 10ā“ N / m a...
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