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The particle P slides aro# und the circular hoop with a constant angular velocity of u = 6 rad> s, while the hoop rotates about the x axis at a constant rate of v = 4 rad> s. If at the instant shown the hoop is in the x-y plane and the angle u = 45°, determine the velocity and acceleration of the particle at this instant.
a piston-cylinder device initially contains 1.4 kg of refrigent-134a at 140 kpa and 20 degc. heat is now transferred to
a well-insulated rigid vessel contains 3 kg of saturated liquid water at 40 degrees celsius. the vessel also contains
a rigid container with volume 200 l is divided into two equal volumes by a partition. both sides contain nitrogen one
we are building a fire proof safety box that can withstand a 700c fire for two hours and not allow the inside of the
a mass of .25 kf of co2 at a termperature of 300k and pressure of 100 kpa is heated at constant pressure to a volume
A steam turbine operating at steady state produces 6,000 hp with a heat transfer to the surroundings at a rate of 360,000 Btu/hr. Steam enters at 600 0F, at 200 psi and exits as a saturated vapor at 8 psi. Neglecting the KE and PE determine the volum..
one of the inspectors in the quality control department has frequently used the brinell and rockwell hardness tests for
suppose you have a choice between a straight triangular or rectangular fin constructed of aluminum with a base
A piston-cylinder assembly in an air atmosphere of p = 1 atm (= 1.013 bar) contains 1 kg of nitrogen. The initial volume of the nitrogen is 1 m^3, and its initial pressure is 1 atm. The side of the cylinder is heated such that the heat transfer to th..
in a rankine cycle with reheat steam at 500c expands in a high pressure turbine until it reaches the saturated vapor
steam enters a two-stage adiabatic turbine at 8 mpa and 550degc. it expands in the first stage to a pressure of 2 mpa.
air at 1175 k 8 bar enters a turbine operating at steady state and expands adiabatically to 1 bar. the isentropic
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