Homework problem 7.1
7.1 A volleyball is spiked so that its incoming velocity of +4.0 m/s is changed to an outgoing velocity of 21 m/s. The mass
of the volleyball is 0.35 kg.
What impulse does the player apply to the ball?
W M/UUJ; 5/6,) ij) \Wpdtie
IQ
Stephen Randall
PHYS 402 Homework #6
6.28 By appropriate modification of the hydrogen formula, determine the hyperfine splitting in the
groundstate of:
a) muonic hydrogen, in which a muonsame charge and gfactor as the electron, but 207 times the
masssub
Structural Geology (Geol 4013/6013)
Lab Exercise 8
Questions (20)
Foliation
Lineation
Two drill holes intersecting a plane
Name: _
Study Chapter 19 of the Lab Manual by Donal M. Ragan:
Structural Geology, an Introduction to Geometrical Techniques.
Probl
(a)The electric field at the center of the square formed by the four charges is equal to
zero.
The electric field at the center of the square due to the charge at the origin is,
kQ
E1 2
r
Here, is the distance of the center of the square from each corner
The following diagram shows the arrangement of the electric field at a distance
x
from
the infinite charge plane.
The electric field due to an infinite line charge at a distance is,
r
r
E
r
2 0 r
Here
is the linear charge density.
Q
L
Using the above form
The electric field in the all the region of the cylinder can be calculated by using the Gauss
law. Let us assume a Gaussian cylinder of the radius around the cylinder.
r
Calculate the electric filed in the region
ra
.
According to the Gauss law, the elect
The electric field in the all the region of the sphere can be calculated by using the Gauss
law. Let us assume a Gaussian sphere of the radius around the sphere.
r
Calculate the electric filed in the region
ra
.
According to the Gauss law, the electric fl
The electric field in the all the region of the sphere can be calculated by using the Gauss
law. Let us assume a Gaussian sphere of the radius around the sphere.
r
Calculate the electric filed in the region
ra
.
According to the Gauss law, the electric fl
(a)The following figure shows the arrangement of the thin line charge and a point from
the wire.
The electric field at the distance
dE
r
from the small line element
dy
is,
kdq
r2
The linear charge density is,
dq
dy
From the above two equations, we get
k
Solutions to the Exercises
of
Hydrology
An Introduction
(Wilfried Brutsaert)
CAMBRIDGE
UNIVERSITY PRESS
Caution: These solutions have been obtained in one pass, and have not been doublechecked.
Chapter 1
1.1 When all precipitation enters into the soil sur
TransformedE&MIhomework
BiotSavartLaw
(GriffithsChapter5)
BiotSavart Law
Question 1 Magnetic field and power lines
Purcell, 610 pg. 246
A 50kilovolt directcurrent power line consists of two conductors 2 meters apart. When
this line is transmitting 10
m. TV 7?
[EA light string can support a stationary hanging load of
25.0 kg before breaking. A 3.00kg object anached to the
\'\ suing rotates on ahorizontal, frictionless table in a circle .
L. " of radius 0.800 111, while the other end of the strin
7 Atoms and Spectra
Guidepost In the previous chapter, you read how
telescopes gather light, cameras record images, and spectro
graphs spread light into spectra. Now you can consider why
astronomers make such efforts. Here you will find answers to
three
1. A student hangs masses on a spring and measures the springs extension as a
function of the applied force in order to find the spring constant k. The
measurements are:
Mass (gram):
Extension (cm):
200
5.1
300
5.5
400
5.9
500
6.8
600
7.4
700
7.5
800
8.6
B. Rouben
McMaster University
4D03/6D03 Nuclear Reactor Analysis
2015 Sept.Dec.
20151130
Additional Exercises 1
Solutions
1. A research reactor fuelled with 235U is operated in critical steady state at a power of 40
MW. It is in the shape of a sphere w
Solutions to the Exercises
of
Hydrology
An Introduction
(Wilfried Brutsaert)
CAMBRIDGE
UNIVERSITY PRESS
Caution: These solutions have been obtained in one pass, and have not been doublechecked.
Chapter 1
1.1 When all precipitation enters into the soil sur
Total Points: 30
PH300 Spring 2011
Homework 12
1. (1 Point) Each week you should review both your answers and the solutions for the previous
week's homework to make sure that you understand all the questions and how to answer them
correct
Homework chapter 8
PROBLEMS
Section 8.1 pn Junction Current
8.1 (a) Consider an ideal pn junction diode at T = 300 K operating in the forwardbias region. Calculate the change in diode voltage that will cause a factor of 10
increase in current. (b) Repeat
(a)The electric potential at the point
P
due to the charges at the vertices
Q
is,
kQ
a
Here, is the electrostatic constant and is distance between the charge and the point
a
Q
k
.
P
V1
The electric potential at the point
P
due to the charges at the verti
(5%. (fth/17D +ML+$bcmIO *secrrough
* 34. (I) If the pomt of msertion of the biceps muscle into the
lower arm shown in g. 9u15a is 6.0 cm, how much mass
(2. Java? 30m 2%(. 15 JlPMcfw_ cfw_q 30m) (35 (m) JqOQM/(tofbom)? could the person hold with a muscle
Episode 307: Resonance
Simple harmonic oscillators show resonance if they are forced to vibrate at their natural
frequency. This is a phenomenon of great importance in many aspects of science.
Summary
Discussion: Resonance as a phenomenon. (10 minutes)
De
Single Slit Diffraction
Single Slit Diffraction
Bi:
OpenStaxCollege
Light passing through a single slit forms a diffraction pattern somewhat different from
those formed by double slits or diffraction gratings. [link] shows a single slit diffraction
patter
Physics 430: Lecture 26
Lagrangian Approach
Dale E. Gary
NJIT Physics Department
11.4 Lagrangian Approach
Carts and Springs
Lets do the problem of two carts and three springs using the
Lagrangian approach, just to show that we arrive at the same two
equat
Physics 430: Lecture 26
Lagrangian Approach
Dale E. Gary
NJIT Physics Department
11.4 Lagrangian Approach
Carts and Springs
Lets do the problem of two carts and three springs using the
Lagrangian approach, just to show that we arrive at the same two
equat
Steps to Applying Gauss Law
To find the E field produced by a charge distribution at a point of
distance r from the center
1. Decide which type of symmetry best complements the
problem
2. Draw a Gaussian surface (mathematical not real)
reflecting the symm
SECTION  A
1. The vertical component of a vector is equal to its horizontal component. What is
the angle made by the vector with Xaxis?
2. Keeping the length of a simple pendulum constant, will the time period be the
same on all planets? Support your an
Impulse and Conservation of
Linear Momentum
Chapter 9
Sample Problems
Section 9.6, page 231, #28
A 5.0 kg toy car can move along an x axis. The figure gives
Fx of the force acting on the car, which begins at rest at time
t = 0. In unit vector notation, wh
763620SS STATISTICAL PHYSICS
Solutions 2
Autumn 2012
1. Continuous Random Walk
Consider a continuous onedimensional random walk. Let w(si )dsi be the probability
that the length of the ith displacement is between si and si + dsi . Assume that the
displac
The current density of the copper wire is,
i
j
A
Here, is the current and is the cross sectional area of the wire.
i
A
The cross sectional area of the copper wire is,
2
d
A
2
1
d2
4
Here, is the diameter of the wire.
d
Substitute
1 2
d
4
for
A
in the e
Problem 6.7
Use the differential equation approach to find V0(T) for t>0 in the circuit in Fig P6 and plot the response
including the time interval just prior to switch action.
t= 0
5k
2k
+
12V
200F
4k

Suggested Solution
t= 0
R
R
1
2
+
12V
V c( t)
R
C
V
Problem 6.5
In the network in Fig P6.5, find i0(t) for t>0 using the differential equation approach.
t= 0
6
i0 ( t )
2A
2H
12
4
Suggested Solution
3 2
iL (0 ) 2
A
3 6 3
L
dio (t )
10io (t ) 0
dt
io (t ) K 2 e 5t A
So,
io (0)
Then,
10 6 4
5
2
K2
3
Problem 6.6
In the circuit in Fig P6.6, find i0(t) for t>0 using the differential equation approach.
t= 0
2
3
2H
12V
6
i0 ( t )
Suggested Solution
t= 0
2
3
2H
12V
6
iL ( t )
12
6
(
) 2 A
2 6 /13 3 6
di (t )
di (t ) 9
for t 0 L L RiL (t ) 0 or L iL (t ) 0