Homework Statement
The area of the plates of a parallel plate capacitor is 1 m2, the spacing between the plates is 10 cm, the potential difference between the plates is 1500 V. After beign charged, the plates are disonnected electrically from the surroundings. The plates are then pulled...
Homework Statement
The expression for the mean free path in a gas of a particle with radius r is
((N/V)*pi*r^2*4*(2)^.5)^-1
in which N is the number of molecules, and V is the volume, and the factor of √2 in the denomiator accounts for the motion of the oncoming particles in the gas...