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A pressure measure at the top of an oil well 18,000 ft deep registers 2,000 psig. The bottom 4,000-ft portion of the well is filled with oil (Rho = 43.68 lbm/ft^3). The remainder of the well is full with natural gas (T= 60 degree F, compressibility factor Z= 0.8, and specific gravity s = 0.65, meaning that the molecular weight is 0.65 times that of air). Compute the pressure (psig) at (1) the oil/gas interface, and (2) the bottom of the well.
A tube 1.16 m long is closed at one end. A stretched wire is placed near the open end. The wire is 0.355 m long and has a mass of 8.80 g. Find the tension in the wire
A 120-V motor has mechanical power output of2.10hp. It is84.0%efficient in converting power that it takes in by electrical transmission into mechanical power. Find the current in the motor
four particles are positioned at the corners of a square that is 4.0 m on each side. one corner of the square is at the
Draw two diagrams for the situation where a moving train (with initial speed v0) collides elastically with a target train that is not intially moving, Show that the final velocity of each train will be:
A microwave oven of mass 12.5kg is pushed a distance 8.00m up the sloping surface of a loading ramp inclined at an angle of 36.2? above the horizontal, What is the work done on the oven by the force
a sinusoidal wave travelling in the -x direction to the left has an amplitude of 20.0 cm a wavelength of 35.0 cm and a
A light ray passes from water into air. The angle of incidence is 37o. Find the angle of refraction in the air
A 43.0 mA current is carried by a uniformly wound air-core solenoid with 425 turns, a 11.5 mm diameter, and 12.5 cm length. Compute the magnetic field inside the solenoid
If it takes a fish 0.20s to perform evasive action, at illustrate what minimum height must it spot the pelican to escape? Assume the fish is at the surface of the water.
q1. a crate of 31.9- tools rests on a horizontal floor. you exert a gradually increasing horizontal push on it and
An airplane flies in a loop (a circular path in a vertical plane) of radius 150m . The pilot's head always points toward the center of the loop, What is the apparent weight of the pilot at this point
A mass of 21.21 kg is attached to a light string t is wrapped around a cylindrical spool of radius 10 cm and moment of inertia 4 kgm2. How long does it take to reach floor
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