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A team of astronomers have proposed to construct a large parabolic telescope mirror by spinning a cylindrical container of mercury (rho = 13,500 kgm-3). The dish would be 10 m in diameter and spin at an angular velocity of 0.5 rad s-1. What is the minimum volume of mercury to prevent the base of the container from being exposed during operation? Assume that the container has a flat bottom and vertical sidewalls, and the liquid is in solid-body rotation. Volume = 12.5 m3, fluid height = 0.319 m at the side walls The telescope mirror design was approved, and a container must be sized to support the load of the spinning mercury. What is the tension force in the container side-walls.
a rankine-cycle steam power plant operates at a boiler pressure of 5 mpa and a condenser pressure of 0.01 mpa. the
what fraction n of the weight of the jet airplane is the net thrustnozzle thrust t minus air resistance r required for
A collar B of weght W can move freely along thevertical rod. The constant of the spring is k and the spring is unstretched when theta=0. Derive an equation in W thrta k and l that must be satisfied when h collar is in equilibrium.
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Design Engineering: Find Specific Load and Heat Generated Per Minute, A load of 6400 Kg is carried by a journal rotating in a 270 mm bearing diameter and 400 mm long. Find the specific load on the bearing and the heat generated per minute in the b..
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