Black Holes
Introduction
How fascinating is it to know that there is something in nature that defies the laws of physics? I
find it even more fascinating that this same thing is in our galaxy and it much larger than the Sun.
According to Orwig, Black Hole
The Greenhouse Effect
Introduction
To begin with, humans are to blame for The Greenhouse
Effect. Activities such as driving a car and flying a plane burn fossil
fuels, which releases CO2 into the atmosphere ("Greenhouse
Effect").
Main Body
According to NA
Earthquakes
Introduction
Earthquakes are extremely remarkable things of nature. Earthquakes help to form mountains, canyons,
and some of the most beautiful sceneries on Earth. However, Earthquakes are not as simple as many
people think. In my paper, I wil
Physics for Engineers I
PS150 02, Fall 2014
ERAU Daytona Beach
MWF, 8:009:00AM
Room: COAS 207
Instructor: Dan Maronde
Email: maronded@erau.edu
Office: COAS 220
Office Hours: M,TH,F 911 or by
appointment
Phone: 3862267757
Co requisite: MA241, Calculus
Exam #1 P8150
June 2, 2011
Show your work ! Answer K€¥ '
Name
15 points
1. Using the following three vectors: A: 37, —— j, E: 31 + 2]“ — 21%, and C" = j + I}:
a. Which two vectors are perpendicular to each other?
.3 "’ "’ ~ B C
.‘B \5 .L H1 8 Because 81
Exam #1 P8150
February 14, 2010
Show your work!
AM—
Name
15 points
1. Two vectors A and B are contained on the xy and yz planes respectively as shown 1n the
component representation below: .5 _,
= W: —Js_ B z=+c~o’ =J— Inf—2} B=23—l€ A~B = ‘i
a.) What
P5150 Practice Exam I 0 Fall 2011 0 NAME: '1."
The exam has two parts: 0 questions section with 6 questions and a problems section with 2
out of 3 problems to solve. Please Show your work for partial credit and clearly indicate
your answers. Anyone caught
Sample Final questions for PS 150
1) Which of the following is an accurate statement?
A) Rotating a vector about an axis passing through the tip of the vector does not change the
vector.
B) The magnitude of a vector can be zero even though one of its comp
1Draw the connection of a total resistance of 155 ohms using only 150 ohm, and 70 ohm
resistors.
2Is it possible for a current to flow in a circuit when the voltage goes to zero? What about
when the resistance goes to infinity? Explain.

There is no curr
1If the change in position in time of an object is constant, what is its force? (Hint: Think
of its acceleration.)

Since acceleration is zero, force will be zero too. (F=ma)
2When the cart is in equilibrium on the incline (ie: stationary) what are the f
Midterm Exam
PS150
Chapters 15
February 29, 2012
Please show your work !
_
Name
10 points
1.
Given the following two vectors, , , and
a.
Which two vectors are perpendicular to each other?
How did you come to that conclusion?
b.
_ and _
_ .
If , calculate
PS150 Practice Final Exam
NAME:_
The exam has two parts: a questions section with 8 questions and a problems
section with 4 out of 6 problems to solve. Show your work for partial credit and
clearly indicate your answers. Anyone caught cheating on the exam
Midterm Exam PSISO/PS215
Chapters 15
October 12, 2011
Please show your work ! A swer E ¥
Name
10 points
1. Given the following two vectors, [1 = 21 3 j + E and I? = i+j  21?, calculate the following:
a. The magnitudes of A, and 13.
a 3 = = 31. t
[A1 JH
Exam #1
PS150
February 10, 2010
Show your work!
_
Name
15 points
1. Using the following three vectors:
A = i 2
j
j
B = 2i + k
j
C = i + + ?k
a.)
Calculate A B .
A B = _ i + _ + _ k
j
b.) Calculate the magnitude of A B .
c.)
A B = _
What is the thir
PS150 Practice Exam I Fall 2014 NAME:_
The exam has two parts: a questions section with 6 questions and a problems section with 2
out of 3 problems to solve. Please show your work for partial credit and clearly indicate
your answers. Anyone caught cheatin
Exam #1 PS150
February 10, 2010
Showyourwork! Answer Kex
Name
15 points
1. Using the following three vectors:
A=§2} A *
lo
. A A A A a A. 8 A
B=2i+jk Ax8= , 2 0 a2 (zo)+§ (0H) '4 ("3
5=¢ +}'+ W; 2 "'
a.) Calculate A x
b.) Calculate the magnitude of A
Exam #1
PS150
February 17, 2009
Show your work!
_
Name
15 points
1. Using the following three vectors:
A = i 2
j
j
B = 2i + k
j
C = i + + ?k
a.)
Calculate A B .
A B = _ i + _ + _ k
j
b.) Calculate the magnitude of A B .
c.)
A B = _
What is the thir
Exam #2 P8150
Dr. Darrel Smith June 16, 201.1
Answe: Key
Show your work Name
10 points
1. Two masses are connected by a massless string that
moves over a massless, frictionless pulley as shown
in the gure. The coefcient of kinetic friction is
0.25.
a. Cal
Exam #2
PS150
March 26, 2010
Please Show Your Work!
_
Name
10 points
1.
A block of mass m is suspended motionless from the ceiling as shown in
the figure to the right. Calculate the three tensions.
T1 = _ mg
T2 = _ mg
T3 = _ mg
10 points
2.
A homogenous s
P8150 Exam #3
April 8, 2003
Please show your work ! AnSwer Key
Name
15 points
1. A massless, frictionless pulley supports two masses InI and m2
connected by a massless string whose length remains constant. / / / / / / / / /
a. Calculate the acceler
Exam #2 P8150
March 26, 2010
Please Show Your Work! Agggr Key
10 points
1. A block of mass m is suspended motionless from the ceiling as shown in
the gure to the right. Calculate the three tensions.
: Fx :0 (I z =0
T3 <0550° iTa =0 Tssio50°Mj =0
e T3
Exam #2 P8150
April 2, 2009
Please Show Your Work! An: wer Kg;
Name
10 points
1. A block of mass m is suspended motionless from the ceiling as
shown in the gure to the right. Calculate the three tensions.
ceiling
T3 Sin 000 '2 T, T: = 1 "3
T3 = = [$3. 2 1
Exam #2 Chapters 57
November 5, 2004 Dr. Darrel Smith
Please show your work if you want credit for your answer ! Name
10 points
1. Two masses m1 (5 kg) and m; (3 kg) are
connected by a massless string and towed
by an external force F making an angle of
3
10 points X /   g \
3. A Zkg mass is attached to a massleSs string 1.00 meter long and , I \
executes uniform circular motion with a speed of 5.0 m/s. , \A g \
/ TA=7 \
a. Calculate the tension at point A ,l ,l: ;_ ° \ g
I l. \  S
E + A = +143 > :
A
1
Chapter 4 Newtons Laws of Motion F = ma W = mg
2
Chapter 5 Applying Newtons Laws F=0
Newtons 1st Law
Newtons 2nd Law F = ma Fx = max Fy = may Newtons 3rd Law F12 = F21
1. You should know how to draw a freebody diagram with a coordinate axis. 2. You sho