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Consider a mass M is a distance L above the ground at constant temperature, TR. The mass is released, falls, and hits the ground. The kinetic energy just before it hits is converted to thermal energy due to the collision and is transferred to the ground by heat transfer. Using the Kelvin-Planck statement of the second law, demonstrate that this process is irreversible.
consider a cylindrical specimen of some hypothetical metal alloy that has a diameter of 8.0 mm 0.31 in.. a tensile
a hot-wire anemometer is a temperature-based instrument for measuring velocities in a flowing gas. the key component of
the 2-kg ball rests between the 45 degree grooves a and b of the 10 degree inlcine and against a vertical wall at c. if
A specimen of Aluminum having a rectangular cross section 10 mm x 12.7 mm is pulled in tension with 25,500 N forces, producing only elastic deformation. Calculate the resulting strain.
A machine of mass 400 kg operates at 1500 rpm and has an unbalanced which causes a harmonic repeated force pf magnitude 20,000 N. Design an isolation system to limit the transmitted force to 3,500 N and the amplitude of vibration during operation to ..
airplane takeoff from an aircraft carrier is assisted by a steam driven pistoncylinder device with an average pressure
Compute the weight percent sulphur that must be added to completely crosslink an alternating chloroprene-acrylonitrile copolymer, assuming that 6 sulphur atoms participate in each crosslink.
a charged particle with a charge-to-mass ratio of qm 5.7 108 ckg travels on a circular path that is perpendicular to a
A cylinder fitted with a piston contains air at 1 Mpa pressure and 300 C temperature, at which point the volume is 0.2^3. The total external force acting on the piston is proportional to V^3. The system is now allowed to cool to room temperature of 2..
An air-conditioning system operating on the reversed Carnot cycle is required to transfer heat from a house at a rate of 727 kJ/min to maintain its temperature at 21°C. If the outdoor air temperature is 39°C, determine the power required to operate t..
steam expands isentropically from 2 mpa and 500 k to a final state in which the quality is 0.90. determine the final
the 30 mg aircraft is climbing at the angle theta15 with a thrust t of 180 kn. at the instant shown its speed is 300
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