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Stone Mountain near Atlanta, GA has a skyride which is a gondola suspended from a cable that takes people to the top of Stone Mountain as well as back down.
Using the First Law of Thermodynamics, what would be the most efficient way to design this ride?
Discuss if this might be used to generate rather than use electrical energy. If so, what would be required? If not, why not?
a pump steadily draws water through a pipe from a reservoir at a volumetric flow rate of 22 gallons per minute. at the
An irreversible heat pump is designed to remove heat at 7 C from the atmosphere and supply 43,200 kJ/h to an industrial process at 420 K . The COP of the actual heat pump is 60% of that of an internally reversible heat pump operating between the same..
a 0.3 kg softball has a velocity of 15 ms at an angle of 35deg below the horizontal just before making contact with the
a four-cylinder engine with a 9.5-cm bore and an 8.75-cm stroke has a 7 clearance. the engine rotates at 2500 rpm. the
a machine of mass 20 kg is acted upon by a harmonic force having a maximum value of 25 n at a frequency of 120
A power cycle receives 1120 Btu by heat transfer from a reservoir at 1080o F and discharges energy by heat transfer to a reservoir at 280 o F. The thermal efficiency of the cycle is 68% of that for a reversible power cycle operating between the same ..
for the mechanism shown in fig 8.81 link 2 rotate at a constant angular velocity. determine the velocity and the
Typical towns in states with big plains like Texas need an elevated tank to supply tap water. Below there is a picture of a typical elevated tank. If we approximate the tank as a cylinder with a diameter of 50 ft and a height of 25 ft, answer the fol..
The refrigerating efficiency is defined as the ratio of the cycle coefficient of performance to the coefficient of performance of a Carnot refrigeration cycle operating between thermal reservoirs at the ambient temperature and the temperature of t..
power from a 3200 hp motor is transmitted by a 2 12 in diameter shaft rotating at 2000 rpm. bending and axial loads are
a double acting hydraulic cylinder rod diameter frac34 inches is used to compress garbage. this operation requires a
the department of energy projects that between the yeras 1995 and 2010 the united states will need to build new power
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