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The linkage in Figure P12-9a has rectangular steel links of 20 x 10 mm cross section similar to that shown in Figure 12-1 Oa (p, 587), Design the necessary balance weights and other features necessary to completely eliminate the shaking force and shaking moment. State all assumptions.
a mass of 1 kg attached to a spring with a spring constant of 112 nm oscillates horizontally on a smooth frictionless
An electric motor and its base have a combined mass of M = 12 kg Each of the four springs attached to the base has a stiffness k = 480 kN/m and a viscous damping coefficient c.
Consider a beam of protons bombarding a sample of sulfur. One possible nuclear reaction is 34-S(p, alpha)31-P. (a) What is the Q-value for this reaction? (b) What is the minimum energy that a proton must have in order for the reaction to occur?
Calculating electrical power from a geothermal Resource, A geothermal well is producing 9000kg/second from a hot water basin at 200 ºC [enthalpy of 800 KJ/Kg].
At the melting point, the density of ice is 0.917 g/cm3 and that of liquid water is 0.9999 g/cm3. The molecular weight of water is 18.
Using the results of Problem 17.13, compute the corrosion penetration rate, in mpy, for the corrosion of iron in HCl (to form Fe2 + ions) if the corrosion current density is 8 X 10-5 A/cm2.
Use the law of sines and express the result in terms of the collector tilt and face length and the controlling value of the solar profile angle.
A spring stiffness k= 500 n/m is mounted against a 10 kg block. if the block is subjected to a force of 1 KN determine the velocity of the block at s=0.3 m when s=0, the block is at rest and the spring is uncompressed. The coefficient of fricktion is..
For reaction-controlled growth, are there any differences between the solute distribution in the LSW theory and those in dissolution-controlled growth and precipitation-controlled growth? Explain.
A heater exchanger uses 6 kg/s cold water at 10 C in a counter-flow heat exchanger to cool a hot glycerine (cp = 2.05 kJ/kg-K) stream that enters at 300 C at a rate of 10 kg/s. If the water exits the heat exchanger at 50 C. find the rate of heat tran..
a swimming pool is heated by a gas-fired heater that supplies 200000 btuhr to the water. the pool is rectangular 15 ft
Sketch and label velocity triangles for the flow entering and leaving the rotor row. Use V for absolute velocity, W for relative velocity, and U for blade velocity. Assume flow enters and leaves each blade row at the blade angles shown.
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