Oxygen and methane are mixed at 250kpa absolute pressure
Oxygen and methane are mixed at 250kPa absolute pressure and 100 degrees C. The velocity of the gases into the mixer us 5m/s. The density of the gas leaving the mixer is 2.2 kg/m^3. Determine the exit velocity of the gas mixture.
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A researcher would like to perform an experiment in a zero magnetic field, which means that the field of the earth must be cancelled. What current is needed in the solenoid's wires
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