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A bird flying at a constant speed at an altitude 100 m is being tracked by a person located directly below the line of flight. If this angle is decreasing at 0.02 rad/s when the angle between the horizon line and the line of site is 45 degrees.
1. Determine the velocity of the bird (polar coordinates works best)
2. Determine r (double dot) and theta (double dot)
in a steam power plant operating on a reheat rankine cycle steam enters the hp turbine at 15 mpa and 620oc and is
find a) velocity distribution in the film b) shear stress distribution c) volumetric rate of flow d) average velocity. assume the flow is steady and laminar.
a piston cylinder has r-134a at -20oc 100 kpa which is compressed to 500 kpa in a reversible adiabatic process. find
a temperature scale is defined by the equation tsti lim pi-0 pspi1.36609 as in gas thermomery but now the reaumur
a power cycle operate between hot and cold reservoirs at 600k and 300k receptively. at steady state the cycle develops
calculate the total dv required to transfer between two coplanar circular earth orbits of radii r1 2 du and r2 5 du
steam enters an adiabatic turbine steadily at 8 mpa and 500 c through an inlet with cross-section area of 0.041767 m2
a channel of square shaped cross section30mm by 30mm carries water at a rate of m 2kgs. the channel length is l 10m
the inlet condition for a turbine is saturated vapor r134a at 20 bar pressure. if the final pressure is 1 bar determine
five kilograms of water initially a saturated vapor at 100 kpa is cooled to saturated liquid while the pressure is
The lamp has a mass of 15 kg and is supported by a pole AO and cables AB and AC. If the force in the pole acts along its axis, determine the forces in AO, AB, and AC for equilibrium.
two carnot engines operate in a series. engine 2 uses the waste heat from engine 1. engine 1 receives 200kj at a
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