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A gymnast having a mass of 80 kg holds the two rings with his arms down in the position show as he swings downward. His center of mass is located at point G1. When he is at the lowest position of his swing, his velocity is (Vg)1 = 5 m/s. At this position he suddenly lets his arms come up, shifting his center of mass to position G2. Determine his new velocity in the upswing and the angle to which he swings before momentarily coming to rest. Treat his body as a particle.
an agitation system is to be designed for a fluid having a density of 950kgm3 and viscosity of 0.005pas. the vessel
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two kg of nitrogen at 40degc and 200 kpa are contained in a frictionless piston-cylinder device. the nitrogen is
During the process, the pressure and specific volume are related by pv = constant. For the refrigerant, determine the work and heat transfer per unit mass, each in KJ/kg.
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axial flow coolant pump for one lop pressurized nuclear reactor has 75 m head 6m3s flow rate 1440rpm 800 mm diameter
a simple pulley with the given radius r used to lift heavy objects is positioned 10 feet above ground level. Given that the pulley rotates theta degrees, determine the height to which the pulley is lifted.
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