nm
mm
Wavelength of Laser
0
Distance from Slit Wheel to Mask (cm)
Central Maximum
Left Side First Minimum
Left Side Second Minimum
Right Side First Minimum
Right Side Second Minimum
Distance between Cental Max & Left Side 1 Min
Distance between Cental Max
gonzalez (bg26853) HW 2 touhami (1401-08)
001 (part 1 of 2) 10.0 points
You drive a car 3 h at 49 km/h, then 3 h at
70 km/h.
What is your average velocity?
Answer in units of km/h.
002 (part 2 of 2) 10.0 points
What is your average velocity if you drive a
Physics 1401
Work, Energy, and Power
Objective:
Analyze applications using Newtons 2nd Law of Motion to introduce the Work Energy
Theorem.
1) Use Newtons 2nd Law of Motion to solve for work
2) Introduce Energy and the Work Energy Theorem
3) Calculate the
Physics 1401
Forces
Objective:
1)
2)
3)
4)
Analyze the relationship between force and acceleration in the 2D Motion Lab.
Investigate Newtons 2nd Law of Motion
Investigate Newtons Law of Universal Gravitation
Compare Newtons 2nd Law of Motion and Newtons L
Table 1. Angle reached by the pendulum
q1
q2
q3
q4
q5
Average q (in rad)
Table 2. Data from the pendulum
M(kg)
m (kg)
Rcm (m)
Rb (m)
T
Average q (in rad)
Moment of Inertia (I)
Muzzle Velocity (v)
Table 3. Velocity using photogate
Trials
Velocity
1
2
3
Ave
Dynamics cart mass (kg)
Collision cart mass (kg)
Extra mass (kg)
Projectile
Cart launcher setting
1
1.5
2
before
vproj (m/s)
s(vproj) (m/s)
Target
vproj (m/s)
after
s(vproj) (m/s)
before
vtarg (m/s)
s(vtarg) (m/s)
0
0
0
Elastic 1 Comparison
after
before
S
Table 1. Oscillating Mass
mass (m)
kg
cart
cart + 1 bar
cart + 2 bars
Table 2. k of Spring 1
yo (m)
Hanging mass
(g)
50
70
100
Weight
(N)
0.49
0.686
0.98
y
(m)
y
D
(m)
kave
s
k
(N/m)
#DIV/0!
#DIV/0!
#DIV/0!
#DIV/0!
#DIV/0!
Table 3. k of Spring 2
yo (m)
Ha
Mini rotational apparatus
pulley mass (g)
pulley diameter (cm)
0 M_pulley (kg)
0 R_pulley (m)
bar mass (g)
0 M_bar (kg)
Movable mass 1 mass (g)
Movable mass 2 mass (g)
0 M_1 (kg)
0 M_2 (kg)
Mass hanger mass (g)
gravitational acceleration (m/s^2)
5
9.8
mas
Table 1. Oscillating Mass
mass (m)
kg
cart
cart + 1 bar
cart + 2 bars
Table 2. k of Spring 1
yo (m)
Hanging mass
(g)
50
70
100
Weight
(N)
0.49
0.686
0.98
y
(m)
y
D
(m)
kave
s
k
(N/m)
#DIV/0!
#DIV/0!
#DIV/0!
#DIV/0!
#DIV/0!
Table 3. k of Spring 2
yo (m)
Ha
PHYS 1401
Why Does A Ship Float And A Brick Sink?
Before we can even begin to understand why something floats or sinks,
we must first understand displacement and what it means. According to
wikipedia.com, "displacement occurs when an object is immersed in
elliott ontivero (mae2686) Test #3 martirosyan (140204)
This print-out should have 10 questions.
Multiple-choice questions may continue on
the next column or page find all choices
before answering.
Let : RA
RB
RC
RD
E1
E2
E3
001 10.0 points
The emf of a b
elliott ontivero (mae2686) HW4 martirosyan (140204)
This print-out should have 10 questions.
Multiple-choice questions may continue on
the next column or page find all choices
before answering.
001 (part 1 of 2) 10.0 points
Consider the circuit
E1
B
C
E2
elliott ontivero (mae2686) HW1 martirosyan (140204)
This print-out should have 10 questions.
Multiple-choice questions may continue on
the next column or page find all choices
before answering.
001 10.0 points
When the metallic body of a car is moved
into
elliott ontivero (mae2686) HW5 martirosyan (140204)
This print-out should have 10 questions.
Multiple-choice questions may continue on
the next column or page find all choices
before answering.
001 10.0 points
A proton traveling to the right along the xax
elliott ontivero (mae2686) Test 2 martirosyan (140204)
1
001 10.0 points
A particle with charge 5 C is located on
the x-axis at the point 6 cm , and a second
particle with charge 2 C is placed on the
x-axis at 6 cm .
=F
13 + F
23
F
"
#
q1
q2
= ke 2 r13
elliott ontivero (mae2686) Test 1 martirosyan (140204)
This print-out should have 10 questions.
Multiple-choice questions may continue on
the next column or page find all choices
before answering.
001 (part 1 of 2) 10.0 points
Two positive charges of 4.82
elliott ontivero (mae2686) HW2 martirosyan (140204)
This print-out should have 10 questions.
Multiple-choice questions may continue on
the next column or page find all choices
before answering.
9q
1
Q2
Q3
001 10.0 points
A (6.58 m by 6.58 m) square base p
elliott ontivero (mae2686) HW3 martirosyan (140204)
Correct answer: 28.9388 pF.
Explanation:
17 F
17 F
11 F
001 (part 1 of 2) 10.0 points
An air-filled spherical capacitor is constructed
with inner and outer shell radii of 8.8 cm and
13.3 cm, respectively
Inafusionreactor,thehightemperatureoftheorderof108Kisrequiredinorderthat
whatconditionismet?
Melt down the hydrogen fuel.
Strip the hydrogen atoms of their electrons.
Break the protons into their elementary
particle sub-parts.
Overcome Coulomb repelling f
Chapter 7
Work and Energy
1
Key Topics
Work
Kinetic energy: KE = mv2; units
Work-kinetic energy theorem
Conservative forces
2
Work
Provides a link between force and
energy
The work, W, done by a constant
force on an object is defined as the
product of the
Chapter 5
The Laws of Motion
1
Key Topics
Newtons first law, inertia
Newtons second law (F=ma)
Newtons third law
Force
Free-body diagram
Law of gravitation (F=Gm1m2/r2)
Weights
Normal forces
2
Classical Mechanics
Describes the relationship between the
mot
Chapter 8
Potential Energy and
Conservation of Energy
1
Key Topics
Potential energy
PE = mgh (gravitational, local)
PE = -GmM/r (gravitational, general)
PE = kx2 (spring)
Conservation of energy
2
Potential Energy
Potential energy is associated with
the p
Pre-Reading Questions for Chapter 2
1. A ball is thrown downward (not dropped) from the top of a tower. After being released, its
downward acceleration will be
a. Greater than g.
b. Exactly g.
c. Smaller than g.
2. Without air resistance, an object droppe
CHAPTER 3
Vectors in Physics
1
Key Topics
Components of a Vector
Vector Addition
2
3
Parabolic Trajectory of Projectiles
Video on water fountain at Detroit International Airport
4
Copied from Biomedical Applications
of Introductory Physics by J.A.
tuszyns
CHAPTER 4
Two-Dimensional Kinematics
1
Key Topics
Kinematics of free falling bodies in
two dimensions
The horizontal and vertical motions
are completely independent of each
other. This means that motion in
one direction has no effect on
motion in the othe
Chapter 2
One-Dimension Kinematics
Copied from Physical Biology of the Cell by Rob Phillips, Jane Kondev, Julie Theriot, and Nigel Orme,
Garland Science (2009).
Key Topics
Speed
Velocity (average, instantaneous)
Acceleration
Kinematics for freely falling
Pre-Reading Questions for Chapter 1
1. A rectangular building lot has a width of 75.0 ft. Determine the width in meters.
2. How many significant figures are there in 0.7080 m?
3. Express 3.31 * 10-9 m using a prefix listed in the textbook.
4. Which part(s