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Rolling or sliding? A uniform ball is released from rest on a rough plane inclined at angle α to the horizontal.
The coefficient of friction between the ball and the plane is µ. Will the ball roll or slide down the plane? Find the acceleration of the ball in each case.
Consider the conditions of Example 3.12 for an air environment, except now the air and surroundings temperatures are both 15°C. Humans respond to cold by shivering, which increases the metabolic heat generation rate. What would the metabolic heat ..
Explain with neat sketch the effect of super heat on Rankine cycle efficiency - Draw a line diagram and T-S diagram for Ideal regenerative cycle, obtain the expression of its efficiency and turbine work. State the limitations of the Ideal regenerat..
consider a regenerative cycle utilizing steam as the working fluid. steam enters the turbine at 3.5 mpa 400oc and
an electric motor of total weight 3330 pounds is mounted on a simply supported beam with an overhang as shown
Consider a system of conduction electrons with εf = 8 eV. How much larger is their internal energy at room temperature (295 K) than at absolute zero?
The flow pattern at the exit of a radial centrifugal compressor impeller shows a jet-wake behavior. In order to estimate the blockage, we assume that the wake region has zero momentum and is of angular extending theta (per passage) at the impeller ex..
The Dodge bearing catalog found at http://dodge-pt.com/literature/index.html discusses the general topic of shafting.
air enters a regenerator at a pressure of 1mpa temperature of 550 k and mass flow rate of 800 kkgmin. heat is
assuming that the isothermal coefficient of compressibility is constant determine the percent decrease in the volume of
A sheet of water of uniform thickness (h = 0.01 m) flows from the device shown in Fig. P5.68. The water enters vertically through the inlet pipe and exits horizontally with a speed that varies linearly from 0 to 10 m/s along the 0.2-m length of th..
Design a square individual column footing (reinforced concrete) to support a 16-in.-square reinforced concrete tied interior column. Service loads are 200 kips dead load and 160 kips live load.
an intermittent wind tunnel is designed for a mach number of 4 at the test section. the tunnel operated by sucking air
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