300
250
200
V = 1 V Accelerating Voltage (V)
r = 0.5 cm r left (cm)
r right (cm)
I = 0.1 A Helmholtz Current (A)
150
100
50
0
1
2
3
4
5
6
7
8
9
V = 1 V
Accelerating
Voltage (V)
200
200
200
200
200
200
250
250
250
250
250
250
300
300
300
300
300
300
r = 0.

Newtons Laws
1) Every object continues in its state of rest, or of uniform
velocity in a straight line, as long as no net force acts on it.
2) The acceleration of an object is directly proportional to the
net force acting on it, and is inversely proportio

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Conceptual Questions
2
2
2
1) Vector = + and = + . How are vectors
and oriented with respect to each other?
a)
b)
c)
d)
e)
Perpendicular to each other
Parallel and in the same direction
Parallel but in opposite directions
45 degrees to each other
Can be

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Ch 9 Lecture Material
Ex: Bouncing off the Walls
Throw a ball with mass 0.4 kg against a wall
with velocity 30 m/s to the left. It rebounds
with speed 20 m/s.
a) Find the impulse of the net force on the ball
during its collision with the wall.
b) Find th

Ch 10 Lecture Material
ExampleWeekend Plumber
Weekend plumber slips a scrap pipe (a cheater)
over his wrench handle. He stands on the end of
the cheater with his full 900 N weight at a point
0.8 m from the center of the fitting. The wrench
makes an angle

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Problem Solving Methodology
Read problem carefully
Draw a diagram, labeling everything you can
(cartoon, x-t, v-t diagram) Note: This is where you
make your choice of coordinates
Write down knowns and desired unknowns
Consider which concepts apply and

Problems Solving: Projectile Motion
Read problem carefully
Draw a diagram, labeling everything you can. We
now have two dimension (, ) to consider.
Note: This is where you make your choice of coordinates
(and likely where projecting a vector into compo

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Ch 7 Lecture Material
Solving Work & Energy Problems
Draw a free-body diagram of object of interest
Choose your coordinate system
Often convenient to choose one axis along direction
of motion
Find forces using Newtons Laws
Find Work for specific forc

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Ch 8 Lecture Material
Using Conservation of Energy
Draw a picture
Draw a force diagram for forces if necessary
Determine which forces are conservative and which are not
o Conservative-gravity, spring, etc.
o Non-conservative-friction, normal, tension,

PHYS M20A: Classical Mechanics-72191 , . 5 / +r
Quiz #5Wednesday, October 12th, 2016 Name: 0 4 I0 In)
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1) A car rounds a banked curve which makes an angl

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Experiment #9
Capacitance and Capacitors
Part 1 Objective
To build a capacitor out of metal sheets and paper, calculate the dielectric constant of paper, and
observe how changes in area and separation of a parallel plate capacitor affect capacitance.
Part

SUMMARY OUTPUT
Regression Statistics
Multiple R
0.9955153971
R Square
0.9910509059
Adjusted R Square
0.9888136324
Standard Error
0.0297996621
Observations
6
ANOVA
df
Regression
Residual
Total
Intercept
X Variable 1
1
4
5
SS
0.3933684801
0.0035520794
0.396

SUMMARY OUTPUT
Regression Statistics
Multiple R
0.9998180154
R Square
0.9996360639
Adjusted R Square
0.9995996703
Standard Error
0.0003189452
Observations
12
ANOVA
df
Regression
Residual
Total
SS
MS
F
Significance F
1
0.0027941443 0.0027941443 27467.34845

ACCELERATION OF GRAVITY
ABSTRACT
The acceleration of gravity was measured using a Behr Free-fall Apparatus. The
experimental values found were
981
cm
2
s
and
973.5
954.8
cm
s2
which varied 2.7% from the accepted value of
cm
cm
981 2
2
,
which
varied
0.8%

Projectile Motion
ABSTRACT
The muzzle velocity of a spring gun was found to be
( 3.02 0.0583 )
experimental value of acceleration due to gravity was found to be
varied 1.6% from the accepted value of
9.8
m
.
The
s
( 9.65 0.879 )
m
2
s , which
m
s 2 . The

Run Number
Averages
std
m = 65.9 g
M= 270.4 g
L = 28.4 cm
x = 3.6 cm
Part 2 H = 0.848 m
Part 3 H = 1.044 m
(degrees) Part 2 R (m)
Part 3 R (m)
1
19.5
1.257
1.652
2
20
1.255
1.641
3
20
1.265
1.662
4
19.5
1.265
5
19.5
1.265
6
21.5
1.269
7
21.5
1.269
8
20.5

PHYS M20A: Classical Mechanics-72191 5/ +3
Quiz #4 Wednesday, October S, 2016 Name: 0 L1 l 0 V75
Read roblems carefull >twice! write on] on this sheet show all war and box our nal answers.
1) Block 1 with mass m1 and block 2 with mass m2 lie next to eac

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PHYS M20A: Classical Mechanics-72191
p
Quiz #1 Wednesday, August 315', 2016 Name: S; Q/ 7L( (3 5
Read problems carefully g>twice!), write only on this sheet, show all worl_(, and box your final answers.
1) Alice and Beatrice both start from rest in fancy

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Physics M20A-31294
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March 26th, 2014
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