eujc21
 Name:
 Edgar Joya
 School:
 University of North Carolina at Charlotte
 About:
 www.about.me/edgarjoya
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0 
Questions Asked

eujc21:
Group Title
I have a question dealing with Total Flux, is anyone willing to help me? I've searched and worked out the problem, but I'm stuck.
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

eujc21:
Group Title
Completely Lost
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

eujc21:
Group Title
If A^BAR = 2xa^_x  z^2a^_y+3xya^_z, find the total flux through the surface defined by r = 2, 0 < theta < 2pi/3, 3<z<5 Answer: Flux:84.71
 updated one year ago
 No Medals Yet
Mathematics

eujc21:
Group Title
If A^BAR = 2xa^_x  z^2a^_y+3xya^_z, find the total flux through the surface defined by r = 2, 0 < theta < 2pi/3, 3<z<5 Answer: Flux:84.71
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

eujc21:
Group Title
If the input current is of the form I_N sin(wt), of a parallel RLC circuit, determine the steadystate output voltage and the steadystate i…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

eujc21:
Group Title
Find the length of the following curve: r = 1, /theta = pi/6 , 0 < phi < pi/3?
 updated one year ago
 9 replies
 1 Medal
Mathematics

eujc21:
Group Title
The current in a certain circuit as measured by an ammeter is
a continuous random variable X with the following density
function:
…
 updated one year ago
 2 replies
 1 Medal
Mathematics

eujc21:
Group Title
The current in a certain circuit as measured by an ammeter is
a continuous random variable X with the following density
function:
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

eujc21:
Group Title
A computer consulting firm presently has bids out on three projects. Let Ai = {awarded project i}, for i = 1, 2, 3, and suppose that P(A1) =…
 updated 2 years ago
 No Medals Yet
Mathematics

eujc21:
Group Title
A computer consulting firm presently has bids out on three projects. Let Ai = {awarded project i}, for i = 1, 2, 3, and suppose that P(A1) =…
 updated 2 years ago
 5 replies
 No Medals Yet
Mathematics

eujc21:
Group Title
Suppose that 55% of all adults regularly consume coffee,
45% regularly consume carbonated soda, and 70% regularly
consume at least one of …
 updated 2 years ago
 6 replies
 2 Medals
Mathematics

eujc21:
Group Title
The May 1, 2009 issue of The Montclarian reported the fol
lowing home sale amounts for a sample of homes in Alameda,
CA that were sold …
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

eujc21:
Group Title
Can someone explain when an Interconnection of Ideal Source is valid?
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

eujc21:
Group Title
The following nuclear reaction occurs:
\[^4_2He + ^9_4Be > ^12 _6C + ^A_ZX\] What is X
…
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

eujc21:
Group Title
A sample of a radioactive isotope is found to have an activity of 115.0 Bq immediately after it is pulled from the reactor that formed it. I…
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

eujc21:
Group Title
Information is transmitted along a cable in the form of short electric pulses at
100,000 pulses/s. (a) What is the longest duration of the …
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

eujc21:
Group Title
According to statistical mechanics, the average kinetic energy of a particle at temperature
T is 3kT / 2 , where k is the Boltzmann …
 updated 2 years ago
 No Medals Yet
Mathematics

eujc21:
Group Title
Temperature of Nitrogen at Room temperature?
…
 updated 2 years ago
 No Medals Yet
Mathematics

eujc21:
Group Title
441. (a) The current i due to a charge q moving in a circle with frequency frev is qfrev . Find
the
current due to the electron in the …
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

eujc21:
Group Title
On average, a hydrogen atom will exist in an excited state for about 10^8 sec before
making a transition to a lower energy state. About h…
 updated 2 years ago
 No Medals Yet
Mathematics

eujc21:
Group Title
What will be the distance of closest approach rd to a gold nucleus for an particle of 5.0 MeV? 7.7 MeV? 12 MeV?
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

eujc21:
Group Title
8. Find the momentum of a photon in eV/c and in Kg. m/s if the wavelength is (a) 400nm ; (b) 1 Å = 0.1 nm, (c) 3 cm ; and (d) 2 nm .
 updated 2 years ago
 5 replies
 No Medals Yet
Mathematics

eujc21:
Group Title
5. The orbiting space shuttle moves around Earth well above 99 percent of the atmosphere, yet it still accumulates an electric charge on its…
 updated 2 years ago
 6 replies
 3 Medals
Mathematics

eujc21:
Group Title
4. A certain very bright star has an effective surface temperature of 20,000 K.
(a) Assuming that it radiates as a blackbody, what is the w…
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

eujc21:
Group Title
A beam of charged particles consisting of protons, electrons, deuterons, and singly ionized helium atoms and H2 molecules all pass through a…
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

eujc21:
Group Title
What is the speed of light?
 updated 2 years ago
 8 replies
 2 Medals
Mathematics

eujc21:
Group Title
A burst of π+ mesons (or pions) travels down an evacuated beam tube at Fermilab moving at 0.89c
with respect to the laboratory.
a) Compute…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

eujc21:
Group Title
6. A blue (473 nm) light source is moving at a relativistic speed v away from an observer.
a) Determine how fast the source would have to b…
 updated 2 years ago
 5 replies
 1 Medal
Mathematics

eujc21:
Group Title
Lorentz Transformation Derived?
 updated 2 years ago
 5 replies
 2 Medals
Mathematics

eujc21:
Group Title
Problem with pictures, where does (cos(phi))/(rho)^2 come from on the set up?
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics
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