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Distinguish between reversible and irreversible processes in thermodynamics. Describe the circumstances under which a) dQ = Tds and dW = -PdV.
A long cylinderical rod of radius R is attached to a source of heat at one end and its surroundings are at temperature Ro. Show that at time t, temperature of the rod T(x,t) obeys the given equation (see attachment).
Assuming from Newton's law of cooling that R(T) = A(T - To) where A is a constant,
a) Obtain an expression for steady state temperature distribution T(x) when hot end of the bar is at temperature T1.
b) Given that A is independent of r, show that in steady state the heat transported away from the hot end is proportional to r^(3/2).
c) Given that the heat loss is negligible (A = 0), show that a solution of the equation is as given (see attachment)
Attachment:- SM 16.doc
an alternating rc circuit is constructed from a 331+/- 3 uF capacitor and a 15+/-.15 ohm resistor connected in series with an alternating voltage source that has a frequency of 100 Hz. Determine phase angle between the supplied EMF and the current..
Find tangential velocity in m/s for a 0.5 m diameter wheel rotating at 600 rpm
A child knocks a 1.2 kg vase off of a table 1.5 m above the ground. What impulse did the floor exert on the vase
Consider a star of mass M=10Msun, composed entirely of fully ionized C-12. Its core temperature is 6*10^8K. Suppose the star produces energy via the reaction C12 + C12 --> Mg24. the atomic weight of C12 is 12, and that of Mg24 is 23.985. What fractio..
The side mirror on an automobile is convex and has a radius of curvature of 25 centimeter. Another vehicle is following, 20 meter behind the mirror. estimate how tall is the image
Find out the critical angle for the glass-synthetic interface (same as for the glass-diamond interface). Sketch a picture of the incoming ray as it interacts will all subsequent interfaces.
A circular-motion addict of mass 85 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 5.9 m/s. What is the magnitude of the normal force on the addict from the seat when both go through the highest point of t..
The average kinetic energy per molecule of an ideal gas with originally Ni=1000 molecules is Kavg=500J. What is the final number of molecules Nf after this process
prepare a 750- to 1050-word paper in which you analyze your articles. address the following define consumer psychology.
a particle of mass m1 moving with a velocity u makes a head-on elastic collision with a particle of mass 2m initially
The wheels of a wagon can be approximated as the combination of a thin outer hoop, of radius rh = 0.209 m and mass 4.51 kg, what should the radius of the disk be
A 17,000-kg airplane lands with a speed of 82 m/s on a stationary aircraft carrier deck that is 115 m long. Find the work done by no conservative forces in stopping the plane.
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