Determine the force in members cd and gf
Determine the force in members CD and Gf of the truss and state if the members are in tension or compresson. Also indicate all zero force members.
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A globular cluster at its farthest point from the galactic center is at a distance of 104 pc. What is its period of galactic revolution?
The index of refraction for red light in water is 1.331 and that for blue light is 1.340. A ray of white light enters the water at an angle of incidence of 60.8°
Light of wavelength 700 nm is incident on the face of a fused quartz prism (n = 1.458 at 700 nm) at an incidence angle of 78.0°. The apex angle of the prism is 60.0°. (a) Calculate the angle of refraction at the first surface.
The wavelength of red helium-neon laser light in air is 632.8 nm. (a) What is its frequency?
A heat engine (power cycle) is operating on a Carnot cycle and has a thermal efficiency of 75%. The waste heat from this engine is rejected to a nearby lake at 15oC at a rate of 14 kW. Determine the power output of the engine?
A particle of charge 40.00 C travels along the negative x-axis with a speed of 100.00 m/s. Calculate the magnitude of the magnetic field at the point (0.26 cm, -0.97 cm) when the particle is located at the origin.
A horizontal axisymmetric jet of air with 10 mm diameter strikes a stationary vertical disk of 200 mm diameter. The jet speed is 75 m/s at the nozzle exit. A manometer is connected to the center of the disk.
Assume that a lightning bolt can be represented by a long straight line of current. If 15.0 C of charge passes by in a time of 1.5 x 10-3s, what is the magnitude of the magnetic field at a distance of 29.0 m from the bolt?
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