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Cylindrical Coordinate System and a Helix A particle is moving on a helix of radius R and pitch a at a constant speed, where
(a) Express the position, velocity, and acceleration of the particle in the cylindrical coordinate system.
(b) Determine the unit vectors in the cylindrical coordinate system.
(c) Determine the radius of curvature.
a piston-cylinder device with a piston surface area of 0.1m2 is initially filled with 0.05m3 of air at the local
A flat disk of outer radius b-125mm and inner radius a=25mm is shrink-fitted onto a shaft of radius 25.05mm. Both members are made of steel with E=200Gpa, v=0.3, and p=7.8 KN.s2/m4. Determine (a) the speed in rpm at which the interface pressure becom..
A can of soft drink at a temperature of 40°F is taken from a refrigerator into a room where the temperature is 70°F and the relative humidity is 70%. Explain why beads of moisture form on the can's outer surface. Provide supporting calculations.
an adiabatic throttle valve operates in a steady-state steady-flow condition with r-134a refrigerant at a flow rate of
a system consists of carbon monoxide co in a piston- cylinder assembly initially at p1 200 lbfin2 and occupying a
a supertanker is 360 m long and has a beam width of 70 m and a draft of 25 m. estimate the force and power required to
a satellite in earth orbit has a mass of 108 kg and is at an altitude of 1.99 106 m.a what is the potential energy of
a spring-loaded piston-cylinder device contains 1 kg of carbon dioxide. this system is heated from 100 kpa and 25c to
a16 lb bowling ball is rolling with a velocity of 20 fts toward a ramp that is inclined at 20 degrees to the
air flows steadily through a compressor at the rate of 1.57 kgmin. the compressor requires 5 kw power input to compress
There is a membrane made of an isotropic material whose elastic modulus and Poisson's ratios are E and v, respectively. When this membrane is elongated along x-direction with no lateral deformation in y-direction, the apparent elastic modulus (E') de..
If the airplane flies at a speed of 2000 km/h at an altitude of 10 km, estimate the angular position error of the radar antenna that tracks the aircraft.
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