Download PHYS 2220: Physics for Scientists and Engineers II

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Transcript
MasteringPhysics: Course Home
10/13/10 9:02 AM
What is the capacitance of capacitor
?
Express your answer using two significant figures.
ANSWER:
=
Problem 31.40
Description: (a) For what electric field strength would the current in a 2.0-mm-diameter nichrome wire be
the same as the current in a 1.0-mm-diameter aluminum wire in which the electric field strength is 0.0080
V/m?
Part A
For what electric field strength would the current in a 2.0current in a 1.0-
-diameter nichrome wire be the same as the
-diameter aluminum wire in which the electric field strength is 0.0080
?
Express your answer using two significant figures.
ANSWER:
=
0.10
Problem 31.44
Description: In a classical model of the hydrogen atom, the electron moves around the proton in a circular
orbit of radius 0.053 nm. (a) What is the electron's orbital frequency? (b) What is the effective current of
the electron?
In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius
0.053 nm.
Part A
What is the electron's orbital frequency?
ANSWER:
6.56
Part B
http://session.masteringphysics.com/myct/courseHome?courseID=1017996
Page 10 of 13
Document related concepts

Condensed matter physics wikipedia, lookup

Introduction to gauge theory wikipedia, lookup

History of quantum field theory wikipedia, lookup

Electrostatics wikipedia, lookup

Electric charge wikipedia, lookup

Lorentz force wikipedia, lookup

Aharonov–Bohm effect wikipedia, lookup

Field (physics) wikipedia, lookup

T-symmetry wikipedia, lookup

Superconductivity wikipedia, lookup

Electromagnetism wikipedia, lookup

Renormalization wikipedia, lookup

Time in physics wikipedia, lookup

Chien-Shiung Wu wikipedia, lookup

Nuclear physics wikipedia, lookup