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A body moving in an inverse square attractive field traverses an elliptical orbit with eccentricity e and major axis 2a. Show that the time average of the distance r of the body from the centre of force is a(1 + ½ e2).
[Transform the time integral to an integral with respect to the eccentric angle ψ.]
A certain piston cylinder assembly has a stroke of 85mm, a connection rod length of 130 mm and a piston pin offset of 2mm. Calculate the displacement, velocity and acceleration of the assembly operating at 2200 RPM. If the same configuration is used ..
Compute the required diameter of a piston rod of AISI 1040 hot-rolled steel with a length of 20 in.- The rod is subjected to an axial compressive load of 6000 lb.
An impeller rotating at 1150 rpm has the following dimensions: b1=3 cm, b2 =1.9 cm, d1=.18 m, d2=.38 m, B1=18 deg, B2=20deg. Assuming radial inlet flow; draw the velocity triangles, find the flow rate and determine the theoretical head and shut off h..
thin rubber strips are used to provide increasing resistance to orthopedic patients during large motion exercises.the
Peter works a 12 hour day. 6 hours are no incentive and the rate is $20 per hour. He also completes 16 tasks that are incentive based and the rate is $15 per hour. How much does Peter make in his 12 hour shift and what is his combined hourly wage?
The viscosity of an oil having a density of 51.9 lbm/ft3 is measured as 200 Saybolt seconds. Determine the dynamic viscosity in units of centipoise and pounds-mass per hour-foot.
there are 4 octahedral sites and 8 tetrahedral sites in the fcc unit cell stated on slide 17-7 and feo has the nacl
Would you expect a 2024-T9 aluminum alloy to be stronger or weaker than a 2024-T6 alloy? Explain
what is the difference between steady state and non-steady state diffusion processes? use mathematical expressions to
What-if scenario: What would the amount of vapor be if the mixture was composed of dry air and water vapor?Express your answer to four significant figures using the appropriate units.
What is meant by mechanical properties of materials? State their importance in the design of a machine or structural element.2- Explain the difference between malleability and ductility. Toughness, stiffness and strength
in an automotive gas turbine the centrifugal compressor is driven at 40000 rpm by an axial turbine. the compressor
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