N2 The Photoelectric Effect: Determination of Plancks Constant
Kennedy Stroud
Instructor: Dr. Kesling
PHYS 222L
Date Performed: April 5th, 2016
I.
Abstract:
The Photoelectric Effect was demonstrated and the value of Plancks constant was
determinated. An e
E8 RL (Resistor-Inductor) Circuits
Kennedy Stroud
Partners: Amanda Lee, Nickolas Montiel, Lavonia Cooper
PHYS 222L- 1
Instructor: Dr. Kesling
Date Performed March 1st, 2016
I. Abstract:
The oscilloscope, function generator, and breadboard was used to dete
N3 Determination of the Half Life of Barium
Kennedy Stroud
PHYS222L 1
Dr. Kesling
Date Performed: April 12th, 2016
I.
Abstract
The half-life of radioactive element
137m
56
Barium was experimentally found and
determined to be 3.25 minutes. Compared to the
E9 AC Circuits: Reactance and Resonance
Kennedy Stroud
Partner: Nickolas Montiel
PHYS 222L- 1
Dr. Kesling
Date Performed: March 15th, 2016
Abstract: The behaviors of inductors and capacitors in an AC circuit will be studied, along with
determining the res
E6 Determination of e/m for the Electron
Kennedy Stroud
PHYS 222L
Dr. Kesling
February 16, 2016
Abstract: The Lorentz Force will be used to measure the ratio of an electrons charge to its
mass. The Helmholtz Coil creates a uniform magnetic field for the e
E5 Charge and Discharge of a Capacitor
Kennedy Stroud
Partner: Nickolas Montiel
Physics 222L Section 1
Instructor: Dr. Kesling
Date Performed: 2/9/16
I. Abstract: The discharge of a Capacitor will be observed, along with measuring the time
constant of an
E2 Mapping Electric Field
Kennedy Stroud
Lab Partners: Amanda Lee and Lazonia Cooper
Instructor: Dr. Kesling
PHYS 222L-1
1/19/16
I.
Abstract
Electric fields were found between two point charges and then a point charge and a
line charge. Water was used as
O2: Diffraction Gratings
Kennedy Stroud
Partner: Nickolas Montiel
PHYS 222L
Instructor: Dr. Kesling
Date Performed: March 29th, 2016
I.
Abstract
The Superposition Principle was demonstrated and the experimental wavelength
was calculated. The experimental
E3- Ohms Law
Kennedy Stroud
Lab Partner: Nickolas Montiel
Instructor: Dr. Kesling
PHYS 222L-1
Date Performed: 1/26/16
I.
Abstract:
Ohms law will be used to find the resistivity of a length of a wire, by graphing
Current vs. Voltage. After determining the
E1 Introduction to the Oscilloscope
Kennedy Stroud
Partner: Nickolas Montiel
PHYS 222L- 1
Instructor: Dr. Kesling
Date Performed February 23rd, 2016
I. Abstract:
The oscilloscope and signal generator will be used to plot Time vs. Voltage on multiple graph
M5 Centripetal Acceleration
Kennedy Stroud
Lab Partner: Jenna Whittington
Instructor: Marvin Ownley
PHYS 221-L 4
Date Performed: 9/30/15
I. Abstract:
The aim of this experiment was to find the centripetal acceleration and use it
to calculate an experiment
M-8 Rotational Inertia
Kennedy Stroud
Lab Partners: Jenna Whittington and Prince Amoako
Instructor: Marvin Ownley
PHYS 221-L-4
Date performed: 10/7/15
I.
Abstract
The aim of this experiment was to verify the equations that describe rotational
inertia usin
M4- Newtons Second Law
Kennedy Stroud and Jenna Whittington
Marvin Ownley
PHYS-221L 4
September 16th 2015
Abstract:
The aim of this experiment was to find the mass of the air cart used by the
relationship of force and acceleration using an air track. The
M7- Conservation of Momentum
Kennedy Stroud
Partner: Jenna Whittington
Marvin Ownley
PHYS 221L-4
September 23rd, 2015
Abstract:
The aim of this experiment was to determine angle, x and y values, and P values in
elastic and inelastic collisions with the us
M- 2A: Determination of g
Kennedy Stroud
Jenna Whittington
Marvin Ownley
PHYS 22L 4
9/2/15
Abstract:
The aim of this experiment was to find the average velocity of a falling object due to
gravity with the use of a Behr free fall apparatus. The experimenta
M2A Determination of g from
Instantaneous Velocity
Adam Holloway
Mary Ayodele
Abstract: In this lab we measured the rate at which objects accelerate toward the
earths surface with negligible air resistance.
Introduction:
In the 16th century the law of fal
PHYS221
Practice Test 1 Solution
Name: _
_SOLUTION_
1. If an African cheetah can accelerate from rest and displace 80.0 m East in 6.00
seconds in a sprint to catch its prey, what is the cheetahs constant acceleration during this
time interval?
a) 1.46 m/s
PHYS221
Practice Test 2
Name:_
1. Two cables attached to the wall and ceiling hold an 85.0 kg sign at rest as shown in the diagram
below. What is the magnitude of the tension in the cable T 1?
a) 1295.9 N
50.0
b) 1087.8 N
T2
c) 833.3 N
T1
d) 699.5 N
GAS
2
PHYS221
Practice Test 2 Solution
Name:_SOLUTION_
1. In the diagram depicted below, two cables hold a 35.0 kg block at rest. What is the
magnitude of the cable tension T2?
a) 267.9 N
45.0 50.0
T1
b) 243.5 N
T2
c) 221.4 N
d) 24.8 N
Find: |T2|
|g| = 9.803 m/
PHYS221
Practice Test 3
Name: _SOLUTION_
1. Emily is riding the bumper car ride at the North Carolina State Fair and is moving with
a velocity of 3.50 m/s East when she decides to ram her friend Steves stationary bumper
car. If Emily and her car have a ma
PHYS221
Practice Test 3 Solution
Name: _SOLUTION_
1. During a football game, a 95.0 kg running back is running at a velocity of 3.75 m/s
North when he collides with a 110.0 kg linebacker running in the opposite direction with
a velocity of 4.10 m/s South.
PHYS221
Practice Test 4 Solution
Name: _
_SOLUTION_
1. Io is the innermost of the four Galilean moons of the planet Jupiter and is the fourth
largest moon in our solar system. With over 400 volcanoes, Io is also our solar systems
most geologically active
PHYS221
Practice Test 4 Solution
Name: _SOLUTION_
1. The planet Jupiter has 67 confirmed moons in orbit about the planet. Ganymede is the
largest of Jupiters moons and makes one complete revolution about the planet Jupiter
every 7.16 days. What is Ganymed
PHYS221
Practice Test 1 Solution
Name:_SOLUTION_
1. The Lemon Sharks large twin dorsal fins enable it to accelerate from rest to reach its
top speed of 8.94 m/s (20.0 mph) in 2.00 s. What is the magnitude of lemon sharks
acceleration if you assume a const
PHYS221
Practice Test 5 Solution
Name:_SOLUTION_
1. The manufacturers specifications for a spring for the front suspension of a sports car
call for a coil spring with an unstretched length of 0.316 m and a compressed length of
0.205 m under a load of 3,90
PHYS221
Practice Test 3
Name: _
1. During a football game, a 95.0 kg running back is running at a velocity of 3.75 m/s North
when he collides with a 110.0 kg linebacker running in the opposite direction with a velocity of
4.10 m/s South. If the football p
PHYS221
Practice Test 3
Name:_
1. A proton (mp = 1.672 x 10-27 kg) moving at a velocity of +2.58 x 105 m/s x collides head-on
elastically with an alpha particle (essentially a doubly ionized Helium atom nucleus with a mass
of m = 6.64510-27 kg) moving in
PHYS221
Practice Test 1
Name:_
1. A soccer player kicks the ball vertically upwards from the ground with an initial
velocity of +15.0 m/s y. If you ignore air resistance and the balls rotation, how high
does the soccer ball go above the ground?
a) 9.2 m
b
PHYS221
Practice Test 4
Name: _
1. The planet Jupiter has 67 confirmed moons in orbit about the planet. Ganymede is the
largest of Jupiters moons and makes one complete revolution about the planet Jupiter
every 7.16 days. What is Ganymedes angular speed i