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Question: A bead °flings m is free to slide along a smooth circular hoop rotating about a vertical axis with the constant angular velocity 52 (Fig.). Use Newton's second law to derive the equation of motion for the angle 9 working with the transverse component of force and acceleration. The rotation of the hoop gives rise to a centripetal acceleration perpendicular to the vertical axis, in addition to the transverse component of acceleration RB. Note that the radial component -R02 does not enter the picture.
steam at 10 mpa 600 degrees c enters the first-stage turbine of an ideal rankine cycle with reheat. the steam leaving
saturated liquid water is compressed from 100 kpa state 1 to 2.5 mpa state 2 in an adiabatic pump having 85 isentropic
In air-conditioning systems, streams of cold and warm air are mixed to get air with the right temperature. Consider a mixing chamber into which cold air enters at 8 degree C and 100 kPa at a rate of 0.55 m3/s and warm air enters at 30 degree C and 10..
1 kg of a fluid at 30 bar, 300°C, expands reversibly and is other mally to a pressure of 0.75 bar. Calculate the heat flow and the work done
a cylindrical duct supplies 1.20 kgs of combustion air at 150 c and 95.0 kpa to a furnace. if the velocity of the air
a frictionless piston-cylinder contains argon which is initially at 25 deg. c with a volume of 2.2m3. the system is
the natural frequency of vibration for small displacements about the vertical position of the ball arms.
A 10-C wind blows over 6-mm-diameter high-tension wires. Determine the range of velocities over which vortex shedding occurs. Could the shedding frequency be heard?
billiard ball a of mass. ma0.400kg moving with speed va1.80ms strikes ball b initially at rest of mass mb0.500kg. as a
a 3500 lb van is moving at 40 ftsec when it applies its brakes which locks all four wheels. if the friction coefficient
Write the input-output differential equation of motion for the read/write arm unit.
Refrigerant 22 enters an insulated compressor operating at steady state as saturated vapor at -16oC with a mass flow rate of 1.5 kg/s. Refrigerant exits at 7 bar, 70oC. Changes in KE and PE from inlet to exit can be ignored. Determine: (a) the volume..
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