Thursday
November 27, 2014

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Total # Posts: 12

uncertainty principle
an electron inside spherical metallic particle of volume 10^ -12 metre cube has a kinetic energy about 10 eV. use uncertainty relations to find relative uncertainty in electron velocity .
September 29, 2013

physics
Q1) consider a stationary nucleus of mass M. show that the minimum energy the photon must have to create an electron-positron pair in the presence of stationary nucleus is 2mc^2(1+ m/M) where m is the rest mass of the electron.
September 29, 2013

health
its obivously A!!!!!
September 20, 2012

history
Andrew Jackson
November 3, 2010

history
In what ways were Lincoln and Johnson similar?
November 3, 2010

history
For what reasons did congress oppose the Reconstruction plan to put forward by Andrew Johnson?
November 3, 2010

HIstory
What effect do you think Lincoln’s assassination had no Reconstruction?
November 3, 2010

Geometry
oh sorry i forgot.
October 10, 2010

Geometry
on the last one its the only one that i didnt get the others im just checking if i got them right.
October 10, 2010

Geometry
1.) -9 + 4r = 4r - 3 - 6 2.) 6x - 2x + 8 = x + 5 3.) 4n + 5n + 15 = 5n + 7n
October 10, 2010

english
From the book the crucible: 1.In what sense does the Corey's' situation reflect on John and Elizabeth Proctor? 2. How does the questioning of Mary Warren differ from the questioning of Abigail? Why? 3. When Abigail is questioned by Danforth, how does she respond? 4. ...
October 10, 2010

Chemistry
.........
October 9, 2010

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