PHYS 1601-001 (2/5/13)
Week 3 : Uniform Circular Motion & Newtons Laws
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HW : Online, chapter 5, Due 2/12/13
Review : Last time, we discussed the monkey/bullet trajectory motion. Sadly, if both start at the
same time, the bullet will hit the monkey :
PHYS 1601-001 (3/28/13)
Week 9: chapter 13 (end) and 15.
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Last time:
Keplers laws:
1. Orbits
2. Areas
3. T2 r3
eg2. what is the radius of a geosynchronous orbit? (same period as earth)
T = 24 hours = 8.43 E4 s
~22,300 miles
eg 3. Halley's comet: ver
PHYS 1601-001 (4/9/13)
Week 11: Exam 2
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Exam 2: wednesday, april 10th, 6-8 pm, P-121
Chapters: 9-11, 13, 15
Review: Tuesday, april 9th, 6 pm, P-121
Last time: oscillations, damped oscillations
Forced oscillations and resonance
We can force a system
PHYS 1601-001 (4/11/13)
Week 11: Exam 2
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Last time:
- waves
- sinusoidal waves, y(x,t) = ymsin(kx = wt)
Wave speed (on string):
Look at pulse travel down string.
view from reference frame moving with the wave, the string is moving backwards with spe
PHYS 1601-001 (4/23/13)
Week 13: almost done
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Musical Instruments:
string instruments:
recall from chapter 16, string of length L has resonant frequencies for /2
= L.
fn = n*v/2L
determined by T, , L
Air instruments:
soundwave in pipe: amplified = a
PHYS 1601-001 (4/18/13)
Week 12: mowar waves!
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Review: y(x,t) = ymsin(kx - wt) = y1+y2
When you have two waves crossing, you get a wave in space that doesnt change with time.
y = 2ymcos(wt)sin(kx)
Notice that theyre separated by half a wavelength
St
PHYS 1601-001 (4/25/13)
Week 13: Thermodynamics
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Zeroth Law of Thermodynamics (cause thats a thing).
If systems A and B are each in thermal equilibrium with a third system C, then A & B are
in thermal equilibrium with each other.
This defines the co
PHYS 1601-001 (4/30/13)
Week 14: Chapter 19
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Final Exam: Thursday 5/9, 8-10 AM in MSB 407
The final is cumulative.
Review: Monday 5/6/13 5 pm, Room TBA
HW #14
Due Friday 5/3
5pm
Recall work for gases, the p - v graph specifically.
First law of Therm
PHYS 1601-001 (3/28/13)
Week 9: Gravity
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Last time: Gravity, Shell Theorem.
Gravity on Earth (near surface)
Weight = F = mg = G (Mem/Re2)
thus g, our so well known 9.8 m/s2 = G Me/Re2
g = 9.8 m/s2, Re = 6.38 E6 meters
therefore Me = 5.98 E24 kg
BTW:
PHYS 1601-001 (3/12/13)
Week 8: end of chapter 10, chapter 11: Rolling, torque and angular momentum
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http:/en.wikipedia.org/wiki/Therizinosaurus
Last time: Talked about torque, or rotational force.
The force that matters for rotational motion is t
PHYS 1601-001 (2/7/13)
Week 3 : Uniform Circular Motion & Newtons Laws
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HW : is online
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Review: Began Newtons Law
1st law = F = 0, a = 0
Inertial Frames:
-Non-accelerating frame in which Newtons 1st law holds
-if an object is moving at some constan
PHYS 1601-001 (2/12/13)
Week 4 : Drag, Centripetal Force,
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HW : is online
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Review: Talking about friction; for incline plane, there is some angle that an object will start
sliding.
egs. a) What is braking distance d for a car traveling @ vo = 30 m/
PHYS 1601-001 (2/14/13)
Week 4 : Drag, Centripetal Force, work, dot product
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Next week we will be doing Forces lab.
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Review: Work: w = F*d*cos
egs. Fred lifting a box with mass = 5 kg
a) Fred lifts straight up with no acceleration
Force exerted on
PHYS 1601-001 (2/19/13)
Week 5 : Power, Chapter 8 : Potential energy, Conservative and Nonconservative forces
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Review: Work-energy
Ki + W = Kf
For a falling object, work done by gravity = Fd = mgh
vf = (2gh) = same result from 1-2 kinetics with a
PHYS 1601-001 (2/26/13)
Week 6:
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EXAM: Wed 2/27 6-8 pm p121
Chapters 1 - 8
Review will be on Tuesday 2/26 at 6 p.m. in p121
Chapter 9: Linear Momentum & Center of Mass
Hw 6 (due 3/5/13)
Linear Momentum of a particle of mass m & velocity v:
p = mv
PHYS 1601-001 (2/28/13)
Week 6:
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Last time: momentum, collisions (elastic)
Inelastic collision:
- Ke is NOT conserved
-momentum is
isnt this badass?
from hyperphysics.phy-astr.gsu.edu
The kinetic energy is given off as heat.
K = - Ki
Ballistic Pen
PHYS 1601-001 (3/5/13)
Week 7: CoM finished;
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Reviewed exam.
Last time: CoM, collisions, etc.
Two skaters (frictionless) at opposite ends of a 10 m pole (massless) pull themselves along the
pole where. where do they meet?
-No ext force.
One person
PHYS 1601-001 (1/29/13)
Week 1 : Measurements &
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HW #2 (due 1 / 5) On the website: www.phys.uconn.edu/~plg/courses/phys1601/
The PLRC (Physics learning research center) room 207c can be used for studying and tutoring
Chapter 2 / 3
Vector: Magnitude