Lab VII, Problem 5: Simple Pendulum
Mercedes Erpelding
November 11, 2015
Physics 1201W, Professor Wynveen, TA: Kurianovych
Abstract
The period of 10 oscillations of a simple pendulum was determined. Connecting a
measured amount of string to a mass tested
Group Quiz 1 Solution
Problem 1
FOCUS the PROBLEM
Picture and Given Information
v2 = const
P
v = const
n1
W
Sliding downhill
Question
f1
f2
n2
= 15o
m = 160 kg
v = 10 mph
f1 = ?
n1 = ?
W
Pulled by dog
= 20o
v2 = constant
f2 = ?
n2 = ?
P=?
What is force
Group Quiz 3
PHYSICS 1201.100
October 30, 2014
This is a closed book, closed notes quiz. Calculators are permitted. The ONLY formulas that may be used are
those given below. Define all symbols and justify all mathematical expressions used. Make sure to st
Group Quiz 2 Solution
Problem 1
FOCUS the PROBLEM
Picture and Given Information
v
f
Question
W
n
P
Know:
W
V
seawater
B
With what force do you have to pull the sled to keep it moving at a constant
velocity?
Approach
Use forces
Sled goes at a constant velo
Sample Quiz 1 Solutions
Problem 1
FOCUS the PROBLEM
Picture and Given Information
T1
Fm1
T2
Fm2
W2
W1
Question
What is weight of object 2?
Approach
Add forces independently on each object.
Acceleration of each object is zero. Both objects are in equilibri
Individual Quiz 2 Solutions
Problem 1.
v1
+y
know
+x
gm
h
h
D
= 45o
to =0
D
xo=0
What is the ejection speed, v1?
Approach:
Use forces to determine the motion.
Perpendicular directions are independent.
yo = h
xf = D
yf = 0
gm = 0.4 g
Fx = ma x = 0
Fy =
PHYSICS 1201.100
Sample Quiz 1
This is a closed book, closed notes quiz. Calculators are permitted. The ONLY formulas that may be
used are those given below. Define all symbols and justify all mathematical expressions used. Make
sure to state all of the a
Individual Quiz 3
PHYSICS 1201.100
October 31, 2014
This is a closed book, closed notes quiz. Calculators are permitted. The ONLY formulas that may be
used are those given below. Define all symbols and justify all mathematical expressions used. Make
sure
PHYSICS 1201.100
Sample Quiz 4
This is a closed book, closed notes quiz. Calculators are permitted. The ONLY formulas that may be
used are those given below. Define all symbols and justify all mathematical expressions used. Make
sure to state all of the a
PHYSICS 1201.100
Sample Quiz 2
This is a closed book, closed notes quiz. Calculators are permitted. The ONLY formulas that may be
used are those given below. Define all symbols and justify all mathematical expressions used. Make
sure to state all of the a
Lab Problem 4: Mechanical Energy and Temperature Change
Julia Erkens
9 October 14
Physics 1201W, Professor Ken Heller, TA Kaylee Ganser
Introduction
As part of an investigation to study the conversion of mechanical energy to thermal
energy we are testing
Lab I, Problem 3: Image Position
Mercedes Erpelding
February 18, 2016
Physics 1202W, Professor Wynveen, TA: Sooriyan
Abstract
In order to project an object on a screen using a convex lens and a light source an experiment
using the same materials was perfo
Physics 1201W.100
Discussion Session #5
Some useful formulae/conversions:
P~
P
F = m~a
~ = I~
~
~ = ~r P
F (Torque-force relation)
Xcm =
Pi mi xi
mi
i
Spring, 2017
Feb. 23
|~ | = rF sin (Magnitude of torque)
(Center of mass in x-direction)
P
= R i mi~ri (
Physics 1201W.100
Discussion Session #3
Spring, 2017
Feb. 2
Some useful formulae/conversions:
x = x0 + v0x t + 12 ax t2
vx = v0x + ax t
(same is true for y-direction)
P~
F = m~a (Newtons Second Law)
g = 9.8 m/s2
If ax2 + bx + c = 0, then x =
2
vx2 = v0x
+
Physics 1201W.100
Discussion Session #2
Some useful formulae/conversions:
Some useful formulae/conversions:
x = x0 + v0x t + 12 ax t2
vx = v0x + ax t
(same is true for y-direction)
g = 9.8 m/s2
2
If ax2 + bx + c = 0, then x = b 2ab 4ac .
Spring, 2017
Jan.
Physics 1201W.100
Discussion Session #4
Spring, 2017
Feb. 16
Some useful formulae/conversions:
Some useful formulae/conversions:
Conditions for static equilibrium
P
1. F~ = 0
P
2. ~ = 0
~ = ~r P
F~ (Torque-force relation)
Xcm =
Pi mi xi
mi
i
|~ | = rF sin
Final Exam Solutions:
Problem 1
D
vi = 0
h
a
v
vp
f
N
W
+y
Know:
h = 7.0m 4.0m = 3.0m
= 30o
= 0.28
H = 4.0 m
Wf
g
H W
L
+x
What is the distance between the edge of the roof and where the brick hits the ground?
Assume air resistance is small, neglect it.
Sample Quiz 3 Solutions
Problem 1.
vi
L
H = 20 ft
L = 16 ft
h = 12 ft
W = 100 lb
T = 400 lb
L- h
D
L
h
H
+y
T
vb
+x
2
D
W
d
What is the maximum distance from the tree when the maximum force on the rope is 400 lbs? Calculate
D + d.
Use the Pythagorean theo
PHYSICS 1201
Sample Final
This is a closed book, closed notes quiz. Calculators are permitted. The ONLY formulas that may be
used are those given below. Define all symbols and justify all mathematical expressions used. Make
sure to state all of the assump
Individual Quiz 2 - Solutions
Problem 2.
+y
vf
vo
Know :
vo = 13 ft/s
h = 2 ft
yo = 0
to = 0
Question:
What is the angle the fish can spit a drop of water and barely hit the moth?
FG
h
+x
Approach:
The angle for barely hitting the moth occurs when the wat
Group Quiz 3 Solution
Problem 1
vo = 0
v
B
vmax
Know
vo = 0
V = volume of scrap
m = mass of scrap
vmax = terminal velocity
= density of water
a
R
mg
a
a=0
Question: What is the expression for the velocity with which the scrap falls as a function
of time
Problem 1: Circular Motion
Julia Erkens
19 October 2014
Physics 1201W, Professor Ken Heller, TA Kaylee Ganser
Introduction
As part of a study on a centrifuge in a microbiology laboratory, we are asked to
calculate the acceleration of a test tube as a func
Synthesis of Isopentyl Acetate (Banana Oil)
Kristen Andersen
TA: Shengyang Wang
June 30th, 2016
Purpose: The purpose of the experiment is to synthesize isopentyl acetate
from acetic acid and isopentyl alcohol through reflux and distillation. The
reflux ap
Kristen Andersen
Lab Problem 1: Springs & Equilibrium
February 8th, 2016
Physics 1201W, Ken Heller, TA: Mike Crumrine
Introduction:
On behalf of a biophysics research group, we are studying mechanics of DNA
when a cell undergoes division. In order for us
Kristen Andersen
Lab Report- Heat Capacity of Complex Objects
Phys 1201W: Ken Heller, TA: Mike Crumrine
Due Wednesday: March 30th, 2016
Heat Capacity of Complex Objects
Introduction:
When transferring organs, it is very important that the organs temperatu
Kristen Andersen
Lab Report #2: Energy Transfer
March 2nd, 2016
Physics 1201W, Ken Heller, TA: Mike Crumrine
Introduction:
In our lab on kinetic energy and work, we were hypothetically working at a
company whose job was to design medical devices to be imp
Green Oxidation of Borneol to Camphor with Oxone
Kristen Andersen
TA: Shengyang Wang
July 21st, 2016
Purpose: The purpose of this experiment is to oxidize (1S)-Borneol to (1S)-Camphor. This
experiment involves extraction, desiccation, and sublimation. (1S
Kristen Andersen
Lab Report #2: Energy Transfer
March 1st, 2016
Physics 1201W, Ken Heller, TA: Mike Crumrine
Introduction:
In our lab on kinetic energy and work, we were hypothetically working at a
company whose job was to design medical devices to be imp
Friedel-Crafts Alkylation of m-Xylene
Kristen Andersen
TA: Shengyang Wang
July 14th, 2016
Purpose: The purpose of this experiment is to use Friedel-Crafts Alkylation to react m-Xylene
with t-butyl chloride in the presence of Ferric Chloride (Iron (III) Ch
Friedel-Crafts Alkylation of m-Xylene
Kristen Andersen
TA: Shengyang Wang
July 14th, 2016
Purpose: The purpose of this experiment is to use Friedel-Crafts Alkylation to react m-Xylene
with t-butyl chloride in the presence of Ferric Chloride (Iron (III) Ch
Group Quiz 1
PHYSICS 1201.100
September 18, 2014
This is a closed book, closed notes quiz. Calculators are permitted. The ONLY formulas that may be
used are those given below. Define all symbols and justify all mathematical expressions used. Make
sure to
Individual Quiz 3 Solutions
Free body diagram
Problem 2
a
L
L
+x
W
A
D
v = 400 mph
A = 20,000 ft
= 2.0o
W = 100 x 103 lbs
Question: what is the distance from airport?
Use dynamics. F = ma
System: plane
Uniform circular motion: a =
W = mg
!
!
Target: D
[1
Lab Problem 1: Power and Temperature Change
Julia Erkens
7 December 14
Physics 1201W, Professor Ken Heller, TA Kaylee Ganser
Introduction
As part of an investigation on biological mechanisms, we are using a calorimetric
device to measure the rate that ene
PHYSICS 1201.100
Sample Quiz 3
This is a closed book, closed notes quiz. Calculators are permitted. The ONLY formulas that may be
used are those given below. Define all symbols and justify all mathematical expressions used. Make
sure to state all of the a
Individual Quiz 1
PHYSICS 1201.100
September 19, 2014
This is a closed book, closed notes quiz. Calculators are permitted. The ONLY formulas that may be
used are those given below. Define all symbols and justify all mathematical expressions used. Make
sur