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A thin ring of radius R and mass m is suspended from a peg of radius r. Determine the circular frequency of small oscillations about the equilibrium position shown if the ring does not slip on the peg. Assume simple harmonic motion
at a given location the airspeed is 20 ms and the pressure gradient along the streamline is 100nm3. estimate the air
Air enters a nozzle steadily at 2.21 kg/m^3 and 30 m/s and leaves at 0.762 kg/m^3 and 180 m/s. If the inlet area of the nozzle is 80 cm^2 determine a) The mass flow rate through the nozzle and b) The exit area of the nozzle.
an air-standard otto cycle has a compression ratio of 7.5. at the beginning of compression p1 85 kpa and t1 305 k.
as part of the new bicycle corps a solider is pedaling down the road at 25 kmh holding a missile launcher on his
in a 150 mw steam turbine unit operating on an enhanced rankine cycle steam is delivered from the boiler to the high
A community of 100,000 people decides to construct a landfill that is to have a volume of 2,000,000 cubic yards. How long can this landfill be expected to last? Use approximate numbers.
air whose density is 0.082 lbmft3 enters the duct of an air conditioning system at a volume flow rate of 450 ft3min. if
on an assembly line that fills 8-ounce cans a can will be rejected if its weight is less than 7.90 ounces. in a large
Saturated steam at 230 degrees F, 20.78 psia and 19.386 ft cubed per pound of mass enters a compressor with an internal energy of 108.26 Btu/lb of mass and is compressed to 80 psia. the mass flow rate is 50 lb mass per hour. Heat loss from the compre..
r-134a is throttled from 1200kpa and 40 degree c to 200kpa. it is known that heat of 5kjkg is lost from r-134a to the
water flows in a long electrically heated tube with q constant constant heat flux. the velocity and temperature
a boiler shell is 1.5m in diameter and has plates of thickness 10mm. if the efficiency of the longitudinal joint is 80
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