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A particle is constrained to move over a smooth fixed surface under no forces other than the force of constraint. By using Hamilton's principle and energy conservation, show that the path of the particle must be a geodesic of the surface. (The term geodesic has been extended here to mean those paths that make the length functional stationary).
This result has a counterpart in the theory of general relativity, where the concept of force does not exist and particles move along the geodesics of a curved space-time.
What is the rate of removal of CO per unit area of the catalyst - What is the removal rate if k1" is adjusted to render the process diffusion limited?
Assume Complete combustion write out a stoichmetric equation for 1 mole of an arbitrary alcohol Cx Hy Oz determine the number of moles of air required to burn 1 mole of fuel?
In a surface grinding operation wheel diameter = 150 mm and in feed = 0.07 mm. Wheel speed = 1450 m/min, work speed = 0.25 m/s, and cross feed = 5 mm.
Consider a cold aluminium canned drink that is initially at a uniform temperature of 3°C. The can is 12.5 cm high and has a diameter of 6 cm. The combined convection/radiation heat transfer coefficient between the can and the surrounding air at 25°C ..
a closed rigid tank whose volume is 1.5m3 contains refrigerant 134a initially a two-phase liquid-vapor mixture at 10
The plate described in Problem 9.14 has been used in an experiment to determine the free convection heat transfer coefficient. At an instant of time when the plate temperature was 127°C, the time rate of change of this temperature..
a tank with a volume of 0.142 m3 is initially evacuated. the tank develops a small hole. air from the surroundings
air enters an insulated diffuser operating at steady state with a pressure of 105 nm2 and a temperature of 57 degrees
a rectangular vacuum cleaner attachment is 2.5 cm by 12 cm. the vacuum blower is able to provide suction at 0.012 m3s.
A 3 kg piece of steel is removed from an oven at 700C and placed a water bath. The final temperature of the water is 80C and its initial temperature is 20C. The atmospheric temperature and pressure is 25C and 1 atm.
a cookware company makes cooking pans where both the pan and the pans long handle are made of the same metal joined in
a power cycle operates between hot and cold reservoirs at 1000 k and 300 k respectively. for each claimed set of data
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