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In a single degree of freedom vibrating system, the concentrated mas which weighs 38.6 lbs. is acted upon by a disturbing force f(t)=50sin(20pi*t). If the spring constant is 400 lb./in. and the damping coefficient is 4 lb-sec/in, calculate the frequency ratio, the damping ratio(factor), the lag angle, the amplitude of the vibration, and the maximum force transmitted to the foundation.
water flowing from the oscillating slit produces a velocity field givin by vuosinwt-yvoi voj where uo vo and w are
Calculate the head provided by the pump and Calculate the brake power required if the pump efficiency is 75% (kW).
a water heater operating under steady-flow conditions delivers 10 litersmin at 75 c and 370 kpa. the input conditions
steam in a piston cylinder assembly undergoes a polytropic process with n2 from an initial state of p500 psi v11.7
determine the change in specific entropy between states 1 and 2 of the fluids given belowa r-134a. state 1 t10c p1 4.1
a heat pump with the elements shown in figure 7.25 condenser to valve to evaporator to compressor to condenser is to be
a liquid-vapor phase change process in microgravity conditions is carried out sufficiently slowly so that a one
A piston-cylinder device contains 0.005 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 600 kPa. Heat is transferred at constant pressure until the temperature reaches 200°C.
sphere a has a mass of 23 kg and a radius of 75 mm while sphere b has a mass of 4 kg and a radius of 50 mm. if the
how is diffusion time related to diffusion temperature for the case where the concentration at some distance into an
determine (a) the instantaneous center of rotation of the double pulley (b) the velocity of th slider block (c) the number of inches of cord wrapped or unwrapped on each pulley per second.
an airplane flies horizontally at 55.0 ms. its propellernbspdelivers 1500 n of thrust forward force to overcome
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