Calculate the pressure on the hull of the submarine
A submarine is cruising in the ocean at a depth of 320 m. Salt water has a specific gravity of 1.03. Determine the pressure on the hull of the submarine in Pa and psia.
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Consider an npn transistor whose base-emitter drop is 0.76 V at a collector current of 10 mA. What current will it conduct at vBE = 0.70 V? What is its base-emitter voltage for ic=10microampere
The inlet volumetric flow rate is 100 L/min, then what is the exit temperature? You may assume ideal gas behavior, and neglect changes in kinetic and potential energy.
The position of a particle along a straight line is given by s=(1.5t^3 - 13.5t^2 + 22.5t) ft, where t is in seconds. Determine the position of the particle when t=6 s and the total distance it travels through the 6-s time interval.
An individual weighs 150 lbf at sea level on earth. Calculate the mass of the individual in lbm on earth. Calculate this person's weight, in N and lbf, on the surface of the moon where the acceleration of gravity is one-sixth of that on the earth.
Consider a heat exchanger that uses hot air to heat cold water. Air enters this heat exchanger at 20 psia and 200 degrees F at a rate of 100ft^3/min and leaves at 17 psia and 100 degrees F.
Calculate the range of collector and emitter currents that can result. What is the maximum power dissipated in the transistor? (Note: Perhaps you can see why this is a bad way to establish the operating current in the collector of a BJT.)
Consider a large classroom on a hot summer day with 150 students, each dissapating 60W of sensible heat. All the lights, with 6.0kW of rated power, are kept on. The room has no external walls, and thus heat gain through the walls and the roof are
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Can this be made into a 4 minute script for a presentation? In a quiet street in a largely Black, middle-class neighborhood in a major northeastern city stand
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