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For the system
x = x + 2y
y = 3x + y
(i) Establish the fixed point.
(ii) Derive the equations for the two isoclines and establish the vector of forces.
(iii) Derive the equation for the stable and unstable arms.
(iv) Take a point on the stable arm for x =2, and show on a spread- sheet that the trajectory does indeed move towards the origin along the arm. Plot the trajectory from point (2,- 2), and show that this trajectory moves away from the stable arm.
a bar of solid circular cross section is loaded in tension by forces p. the bar has length l16in and diameter 0.50in.
calculate the torque M on the screw required to raise a load of 1000 kg from the position shown and calculate the torque M required to lower the load from the same position
Show that the specific heat at saturation of a liquid phase of mass m (defined by Cf= (deltaQ/m)dt is generally not the same as the specific heat at constant pressure of the saturated liquid.
an insulated rigid tank initially contains 1.8 ibm of helium at 82 f and 45 psia. a paddle wheel with a power rating of
Considering the flow of a uniform stream of speed V in the x-direction, a source of strength Q at (-1,0) and sink of strength Q at (1,0). Find the velocity potential and the stagnation points
Consider a sphere of porous material of radius R surrounded by a gas having mole fraction XA0 (or, if you prefer, CA0) the bulk of the gas. Derive the differential equation that when solved will give the mole fraction of gas A (XA) [or the concentrat..
a refrigeration cycle having a coefficient of performance of 3.0 maintains a computer laboratory of 18 c on a day when
Determine the temperature and phase of water from the following information. If the phas is a vapor-liquid mixture, report the fraction of vapor and liquid.
a contractor is required to prepare a soil surface so that its planar and the normal direction to the surface is within
an otto cycle has the lowest temperature of 60degreef and the lowest p as 12psi. the highest temperature is 4040degreef
consider a steam power plant that operates between the pressure limits of 10 mpa and 20 kpa. steam enters the pump as
The pipe flow experiment deals with fluid flow through a non-circular cross-section “pipe”. Please explain, using supporting equations, HOW you would calculate the pressure loss during fluid flow between two points along the pipe.
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