What is total cabin pressure at which o2 masks are dropped
An airplane is pressurized with air to 700 mmHg. If the partial pressure of oxygen drops below 110 mmHg, passengers become drowsy. If this happens, oxygen masks are released. What is the total cabin pressure at which oxygen masks are dropped?
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A system consists of 2 identical motors, each having a failure rate of 0.0001 per hour of operation. The system fails if both motors fail. The motors are powered by the same source and the probability of power failure per week is 0.01.
Tincture of iodine is I2 dissolved in ethanol, C2H5OH. A 1% solution of tincture of iodine is 10.0g of solute for 1000. g of solution. How many grams of solvent are present in 1000. g of this solution
Write a chemical equation for the reaction that occured during the addition of iodine to all-trans-lycopene. Write a feasable reaction mechanism for this reaction.
A washing machine control circuit has 4 inputs: WASH, THERMOSTAT, FULL,EMPTY and 4 outputs: HOT, COLD, MOTOR and PUMP. When they are high,the outputs turn on the hot and cold taps, the main motor and the draining pump respectively. THERMOSTAT goes
The normal level of creatinine in the blood for adults is aproximatlely 1.0 mg per deciliter of blood. if the density of blood is 1.025 g/ml calculate the molality of a normal creatinine level in a 10.0 blood sample.
If a certain motor speed sensor outputs a square pulse train with a frequency that varies from 0.5 Hz to 500 Hz as the motor speed varies from 10 rpm to 2000 rpm. If this output is to be counted and digitized, calculate the minimum sampling i
An object is thrown vertically up and attains an upward velocity of 33 m/s when it reaches one fourth of its maximum height above its launch point. what was initial speed of object?
Suppose instead that the signal is being broadcast from the other side of the Milky Way Galaxy, about 70000 light-years away. How large a radio telescope would we need to detect this signal? (Hint: Use the inverse square law for light.)
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Problem: Sterile needles used for patient injections O typically have four components: cannula, shaft, hub, and bevel.
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