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Consider unsteady diffusion across a membrane of thickness L. Initially, the concentration of solute in the membrane is zero. At time zero, the concentration at x=0 is raised to C0 and the concentration at x=L is maintained at zero.
(1) Write the Ficks second law applied to this problem (including initial and boundary conditions).
(2) Under what condition can you use the semi-infinite medium assumption to solve this diffusion problem?
Utilizing the rat stereotaxic atlas in the course materials, devise a surgical plan for implanting a Michigan type array
1. Express the Boolean function f(X,Y,Z) = XY + X(Y + Z) in sum of products form showing the sum all nonzero minterms. 2. Express the Boolean function f(A,B,C,D) = A(B + BC) + ACD in sum of products form showing the sum all nonzero minterms.
An electric field of 3.10×105 is desired between two parallel plates, each of area 36.0 and separated by 0.620 of air.What charge must be on each plate?
An underdamped sensor with a static sensitivity of K=1, undamped natural frequency of omega=1400 rad/s, and damping ratio of zeta=0.5 is used to measure a sinusoidal signal with a frequency of 6 kHz.
A coaxial cable has a loss of 5.6 dB at a frequency f. A signal at f has ans rms amplitude of 1.7 mV at the cable input. What is the rms amplitude after it has traveled the length of the cable
Find all values of alpha such that the system is stable for K = 2. If the unity feedback closes around this G(s) and an input is a unit step r(t) = 1u(t), what is the stead-state error, e_ss, as a function of alpha and K?
calculate the extraction efficiency and find the current and voltage needed to obtain the desired optical output. Once you know the current density choose Area and Find Vf that will give you the desired current density and current (If= Jf x A= Jn ..
Research about origin, formation process, and age of oil. What type of biota contributed to oil formation How is that linked to marine environment being conducive to oil formation What are the prospects for offshore oil beds
A silicon semiconductor resistor is in the shape of a rectangular bar with a cross sectional area of 1x10^-6 cm^2 a length of 0.1 cm and is doped with a donor concentration of 5x10^16 cm^-3.
Question about Subnets, An organization owns the network 200.1.1.0/24 and wants to form subnets for 4 departments, with hosts as follows
How much hydrogen would be needed to give the car a range of 300 miles if the source of electricity is an on-board fuel cell with an efficiency that is 50% of the ideal?
Each start/stop station contains one NO start pushbutton and one NC stop pushbutton.
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