Chapter 13
Universal Gravitation
Newtons Law of Universal
Gravitation
Every particle in the Universe attracts every other
particle with a force that is directly proportional to
the product of their masses and inversely
proportional to the distance between
Chapter 12
Static Equilibrium
and
Elasticity
Static Equilibrium
Equilibrium
implies the object is at rest
(static) or its center of mass moves with a
constant velocity (dynamic)
Static equilibrium is a common situation in
engineering
Principles involve
Chapter 11
Angular Momentum
The Vector Product
There
are instances where the product of two
vectors is another vector
Earlier we saw where the product of two vectors
was a scalar
This was called the dot product
The
vector product of two vectors is also
Phys 204 (Mechanics)
Formulaesheet
Lawofcosines
Law of sines
Quadratics:
Trigonometric Identities:
1
1 u = 1.6605387 x 10-27 kg
1 u = 931.502 MeV/c2
1 eV = 1.602 1019 J
mp = 1.672 1027 kg
= 1.0073 u = 938.280 MeV/c2
mn = 1.674 1027 kg
= 1.0087 u = 939.57
Kuwait University
Physics Department
Physics 121
Final Exam Summer Semester
Solutions
July 29, 2006
Time: 5.00 7.00 p.m.
Name:
Student No. .
Instructors: Drs. Fikry El-Akkad and M. M. Sharma
Please note the following:
1. Answer all the questions.
2. The
PHYS 205/1-53 Electricity & Magnetism
Assignment #1
Summer 2016
Solution to Assignment #1 (Chapter 23)
23.12 Three point charges lie along a straight line as shown in Figure P23.12,
where q1 6.0 C, q2 1.5 C, and q3 2.0 C. The separation distances
q1
are d
PHYS 205/1-51 Electricity & Magnetism
Assignment #2
Summer 2016
Solution to Assignment #2 (Chapter 24)
24.04 Consider a closed triangular box resting within a horizontal electric
field of magnitude E 7.8 104 N/C as shown in Figure P24.4.
Calculate the ele
PHYS 205/1-51 Electricity & Magnetism
Assignment #5
Summer 2016
Assignment #5 - Magnetic field, Biot-Savart, Ampre's Law
Chapter 29
29-12. Review. A charged particle m of mass 1.5 g is
moving at a speed of 1.5 104 m/s . Suddenly, a uniform
magnetic field
PHYS 205/1-51 Electricity & Magnetism
Assignment #6
Summer 2016
Assignment #6 - Faraday's Law, Inductance & AC circuits
Chapter 31
31-13. A loop of wire in the shape of a rectangle of width
w and length L and a long, straight wire carrying a current
I lie
PHYS 205/1-51 Electricity & Magnetism
Assignment #3
Assignment #3 - Potential, Capacitance
Chapter 25
25-9. A particle having charge q = +2 C and mass m =
0.01 kg is connected to a string that is L = 1.5 m long and
tied to the pivot point P in Figure P25.
PHYS 205/1-51 Electricity & Magnetism
Assignment #4
Summer 2016
Assignment #4 - DC Circuits
Chapter 27
27-3. An aluminum wire having a cross-sectional area equal
to 4 106 m 2 carries a current of 5.00 A. The (mass)
density of aluminum is 2.7 g/cm3. Assume
Phys 204 (Mechanics)
Assignment 4 chapter 4 Motion in 2 dimensions
Problem 4.1: A motorist drives south at 26.0 m/s for 3.00 min, then turns west and travels
at 25.0 m/s for 2.00 min, and finally travels northwest at 30.0 m/s for 1.00 min. For this
6.00 m
Phys 204 (Mechanics)
Assignment 5 chapter 5 Newtons laws of motion
Problem 5.5: The gravitational force exerted on a baseball is 2.22 N down. A pitcher
throws the ball horizontally with velocity 12.0 m/s by uniformly accelerating it along a
straight horiz
Phys 204 (Mechanics)
Formulaesheetmidterm
Lawofcosines
Law of sines
Quadratics:
Trigonometric Identities:
1
1 u = 1.6605387 x 10-27 kg
1 u = 931.502 MeV/c2
1 eV = 1.602 1019 J
mp = 1.672 1027 kg
= 1.0073 u = 938.280 MeV/c2
mn = 1.674 1027 kg
= 1.0087 u =
PHYS 205
(Electricity and Magnatism)
Winter 2008
Problems to solve in class Current and Resistance
2.
A teapot with a surface area of 700 cm2 is to be silver plated. It
is attached to the negative electrode of an electrolytic cell containing
silver nitrat
Development of science:
The path leading to modern science immerged from ancient civilization of Mediterranean and the
Middle East, especially ancient Greeks. They are the first people known to make models of nature.
Explained pattern in nature without re
Lecture 2: Introduction to probabilities. Useful for
thermodynamics and diffusion parts of the course.
Gambling: the driving force behind early research in
probability.
Blaise Pascal, Pierre Fermat
Statistical Physics
Quantum Physics
Biophysics (diffusion
Stars appear to be close to each other is because we lack depth perception.
The point directly above earths north pole is called north celestial pole.
The star Polaris is currently at the location of the north celestial pole, commonly called the north
st
SOLUTIONS - p. 1
Assignment# 1 ' -
;. Physics 294
Q1 A vector has x-component of -25.0 units end a y-component of 40.0 units.
Find the magnitude and direction of this vector. Ans: (47.2 units)
4MWW)MWWC&.W1AS .
t if: Ali-FA
Stamens r I
ASShmaM-i
'P. 201-! 2
Q1 Two cars travel in the same direction along a straight highway, one at
55 mi/hr and the other at 70 mi/hr. (a) Assmning that they start at the same
point, how much sooner does the faster car arrive at a destination 10
ASSIGNMENT 3
Physics 204/2AA
(Do any 10 problems)
1. A ball is thrown horizontally from the top of a building 35 m high. The ball strikes the ground at a
point 80 m from the base of the building. Find (a) the time the ball is in flight, (b) its initial ve
Assignment 4
Physics 204/3
(Do any 9 problems)
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
A horizontal force of 150 N is used to push a 40.0 kg-box 6.0 m on a rough, horizontal surface. If the
box moves with a constant speed, find (a) the work done by
Physics 204/2
Assignment 5
(Do any 10 problems)
A super ball with a mass of 60g is dropped from a height of 2.0 m. It rebounds to a height of 1.8
In. What is the change in linear momentum during the collision with the floor?
Ans: (0.73 kgm/s)
A machine gu
ow
A96 cfw_/K'A cfw_Kim lr: \IS F:
UM 9 V6;
H
3 W: .
\
Wa ~ 3.8 :2;
i
g: E , a.
e g .m E cfw_'2 '3 rm
B. T. hat.) . - r: i J E L?) f |" m g
3<( Z t '5: K 2 4 T w a 447"
Mg g mm a M a: M a? g ?
6 \a\ A 2: - (:28; fire. y , J
(L 1"; 10'5" NJ ght.
E
SOLUTIONS PROBLEM SET 5
NEWTONS LAWS WITH CIRCULAR MOTION; TORQUE
#1
the radius of rotation is
cos =
R = 1.252 12 = 0.75m
1
0.75
= 0.8 and sin =
= 0.6
1.25
1.25
y
T1
x
T1
y
T1sin
T1cos
x
R
T2
mg
Here cos =
T2cos
T2
T2sin
mg
1.00
= 0.8
1.25
a) total vertic
Physics NYC
Problem Set #7: Relativity
Solutions
A01: C
A02: B
note that moving clocks appear to run slowly
A03: C
This is a good one and worthy of being fully understood. The key to look
for is the definition of proper time and proper length. In whose fr
PROBLEM SET 1
SIMPLE HARMONIC MOTION
(Notice for notation: A here refers to the amplitude which is X in the textbook Open Stax, K is kinetic
energy KE and U is potential energy PE)
Part A
1. C
2. C
3. D
4. D
5. E
6. B
7. D
8. C
9. B
10. D
11. Object in se