Physics, 23.10.2019 01:50 qawsedrftgyh3487
Air flows steadily in a pipe at 300 kpa, 77°c, and 25 m/s at rate of 18 kg/min. determine (a) the diameter of the pipe, (b) the rate of flow energy, (c) the rate of energy transport by mass, and (d) the error involved in part (c) if the kinetic energy is neglected.
Answers: 3
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Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
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Air flows steadily in a pipe at 300 kpa, 77°c, and 25 m/s at rate of 18 kg/min. determine (a) the di...
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