IOP PUBLISHING
JOURNAL OF PHYSICS D: APPLIED PHYSICS
J. Phys. D: Appl. Phys. 40 (2007) 70197023
doi:10.1088/0022-3727/40/22/023
Electron density and ion energy
dependence on driving frequency in
capacitively coupled argon plasmas
Xi-Ming Zhu1 , Wen-Cong C
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Numerical Simulation of Plasma Antenna with FDTD Method
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2008 Chinese Phys. Lett. 25 3712
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A Monopole Fluorescent Tube Antenna in Wireless
Communication Application
H.Jaafar,#M.T. Ali#,H.M. Zali#,N.A.Halili#,A.N. Dagang*
#
Antenna research Group (ARG),Microwave Technology Center (MTC),
Faculty Of Electrical Engineering(FKE),
Universiti Teknolog
768CE.qxd jp.1 1
Antenna Pattern
Measurement:
Concepts and Techniques
M I C H A E L D. F O E G E L L E
he first article of this two-part series explores the basic
concepts and techniques of antenna pattern measurement and evaluates the benefits and drawba
Note Title 1f27f2013
1. W5 points SerPSEB 2.P.001.WI. [1390657]
The position versus time for a certain particle moving along the X axis is shown in the figure below. Find the average velotitv
in the following time intervals.
x [m]
[H
are 3 Ax ; 2:! 14
:l
PHYSICS 111 HOMEWORK
SOLUTION #13
May 1, 2013
0.1
In introductory physics laboratories, a typical Cavendish balance for measuring the gravitational constant G uses lead spheres with masses of 2.10 kg and 21.0 g whose centers are
separated by about 3.90 cm
PHYSICS 111 HOMEWORK
SOLUTION #9
April 5, 2013
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A potters wheel moves uniformly from rest to an angular speed of
0.16 rev/s in 33 s.
a) Find its angular acceleration in radians per second per second.
b) Would doubling the angular acceleration during
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SOLUTION #10
April 8, 2013
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Find the net torque on the wheel in the gure below about the axle
through O, taking a = 16.0 cm and b = 30.0 cm.
A torque thats produced by a force can be calculated from the expression:
= F r sin . All
PHYSICS 111 HOMEWORK
SOLUTION #10
April 10, 2013
0.1
Given M = 4i + j 3k and N = i 2j 5k , calculate the vector
product M N .
By simply following the rules of the cross product:
ii=jj =kk =0
i j = k = j i
j k = i = k j
k i = j = i k
M N
=
(4i + j 3k ) (i
PHYSICS 111 HOMEWORK
SOLUTION #10
April 22, 2013
0.1
Consider the following gure:
Select the necessary conditions for equilibrium of the object
shown in the gure above and the torque about an axis through
point O.
1. Fx + Fy = 0
2. Fy + Ry Fg = 0
3. Rx +
PHYSICS 111 HOMEWORK
SOLUTION #8
March 24, 2013
0.1
A particle of mass m moves with momentum of magnitude p.
2
p
a) Show that the kinetic energy of the particle is: K = 2m
(Do this on paper. Your instructor may ask you to turn in this
work.)
b) Express
PHYSICS 111 HOMEWORK
SOLUTION #7
March 10, 2013
0.1
A bead slides without friction around a looptheloop (see gure below).
The bead is released from rest at a height h = 3.30R.
a) What is its speed at point A (Use the following as necessary:
the accelerat
1
HW1
1. Two spheres are cut from a certain uniform rock. One has radius r=5.0 cm. The
mass of the other is eight times greater. Find its radius R.
Since mass radius3
R = r 81/3 = 10 cm
2. The mass of a copper atom is m = 2.27 1025 kg , and the density of
PHYSICS 111 HOMEWORK
SOLUTION, week 4, chapter 5, sec 1-7
February 13, 2013
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A 2.00-kg object undergoes an acceleration given by
a = (6.00 + 4.00)m/s2
i
j
a) Find the resultatnt force acting on the object
b) Find the magnitude of the resultant force
PHYSICS 111
HOMEWORK#6 SOLUTION
February 22, 2013
0.1
A block of mass m = 3.20 kg is pushed a distance d = 4.60 m along
a frictionless, horizontal table by a constant applied force of
magnitude F = 16.0 N directed at an angle = 26.0 below the
horizontal a
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SOLUTION #5
March 3, 2013
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Your 3.80-kg physics book is placed next to you on the horizontal seat
of your car. The coecient of static friction between the book and
the seat is 0.650, and the coecient of kinetic friction is 0.550. Y