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[ C i t y ] , [ S t a t e ] [ P o s t a l C o d e ]
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we designed a circuit so that each loop has at least one power supply and at least
one resistor. The purpose of this circuit is to verify the validity of Kirchhoffs current
law and voltage law.
Figure 3: Circuit design
Picture 1: The laboratory setup of t
In this experiment, we created a simple circuit that includes a 100 resistor and a
DC power supply. We connect an ammeter in series with the resistor to measure the
current. Once the data collection is complete, we can plot the graph of voltage versus
cur
we placed the bar magnet on a blank sheet of the paper. Using the magnaprobe, we
could determine and record the directions of the magnetic field line at different
locations on the plane.
- See attachment 1 for the magnetic field lines
Activity 2: we perfo
Mathematically, momentum is the product of the mass and velocity. It is easily to see
that greater mass and velocity of an object will have a large momentum. From here,
we can relate the concept of momentum with the Newtons second law.
dv
F=ma=m
dt
Momen
The data is collected from a motion detector and being analyzed by LoggerPro
program. For this experiment, a motion detector is placed at one end of the
aluminum track. The cart that runs on the track will be the object of data collecting.
When the user s
From previous observation about equilibrium system, we could apply our
understanding to determine the mass of an unknown cart. Basically, the test was
performed using a single pulley on the metal board. One end of the string was
connected to the cart that
The first step of our experiment was calibrating the force probe. It was a necessary
procedure because the significant difference in results may come from
miscalibrating equipment step. Basically, we created a tension on the probe using a
string connected
Magnetic Pucks Collision
Picture 4: The path of the first magnetic puck
Table 3: The measurements of the first puck
Before
After
Mass (g)
660g
660g
Number of mark (#)
14
15
Length (cm)
6.7
4.9
Angle (degree)
35.0
27.2
Picture 5: The path of the second mag
According to the Hookes Law, the force needed to stretch or compress an ideal
spring is proportional to the displacement from the equilibrium position. In the
below equation, k is constant of the spring and indicate its stiffness.
F=kx
In simple harmonic
The experiment is constructed by using a solid metal with a vertical cylinder passing
through center. Along the cylinder, there are two hubs, one with a diameter 3 cm
and the other 9 cm. The string will be wrapped around these hubs with a mass at
the free
Test
1
2
Initial angular
velocity (rad/s)
14.97
4.031
Table 3: Data from the collision
Final angular
Disk mass Outer
velocity (rad/s)
(kg)
radius (m)
11.09
2.865
0.1524
2.995
Inner radius
(m)
0.009525
Calculations and results
Graph 13: Torque vs Angular A
In principle, equipotential is a three-dimensional surface where the electric
potential is the same. This means that a point charge moving in an equipotential
surface will have no work done on it. The only condition that this event can occur is
when the e
Under the influence of a uniform magnetic field, a moving charge travels in the
circular path. The magnitude of the radius of the path can be expressed as
mv
R=
(1)
qB
Theoretically, if the magnetic field increases, the radius of the orbit decreases. If t
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[Subject]
Lesson Title
[Grade Level]
[Class Dates]
Overview
Materials
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Data
Data 1: Activity 1 Entering data by hand
Data 2: Activity 2 An imaginary experiment
Calculations and Results
Activity 1:
The slope of the graph between Speed vs. Time from t = 0 to t =5 is 9.34 m/s
Below data table is obtained using a Tangent tool.
Graph 1: Measurement of electric charge of ball 1
Graph 2: Measurement of electric charge of ball 2
Table 3: Measuring charge of ping-pong balls
Ball 1 (left) (nC)
Ball 2 (right) (nC)
Initial
-0.16
-0.20
After induction
2.62
-2.65
Final
-0.13
-0.28
Calcul
Activity 2:
I obtained an expression for the theoretical relation between initial angle and
maximum angular velocity using the conservation of energy
The sketch of graph of angular velocity vs. time
When comparing with the graph from real data, both the
Theory
In microscopic view, particles interact with each other by electric forces. Coulombs
law defines this force as
kq q
F= 12 2
r
In principle, if the charges have the same signs, they will repel with the magnitude of
force being defined by the Coulomb
Method-Setup
Activity 1: we measured the DC potential difference using the oscilloscope. Two
wires were connected directly from the DC power supply to the oscilloscope.
Activity 2: we graphed the time-dependent electrical signals by manually changing
the
Activity 2:
As soon as the metal plate being placed on top of the plastic plate, the positive
charge of the conductor will reside near insulator. In turn, the negative
charges were being pushed to the top of the surface. When grounding the
metal plate, t
Activity 3: The purpose of this experiment is understanding the electric field lines
and how they are arranged in the 2-D space. When placing a test charge in the field,
students will observe the motion of the particle as it is being affected by the field
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There are two types of lenses, converging and divergent. Each
Calculations and results
Calculate the spring constant
Obtained data
Displacement: | x|=|0.8868 m1.157 m|=0.2702 m
Mass of the plate: m = 86.69 g
Displacement when adding 50 grams: | x 1|= 0.4613 m
Formula
F=k | x|
Calculation
2
mg 0.08669 kg 9.8 m/s
N
k=
When light propagates through space, both the electric field and the magnetic field
oscillate in the planes that are perpendicular to each other. In the mathematical
terms, electric field can be described as
E ( x , t )=E0 cos ( kxwt )
(1)
and the magneti
P6572 HW #1
Due September 2, 2011
1. (a) A hermitian operator with the spectral decomposition
a| a a |.
A=
a
where | a is an eigenstate of A with eigenvalue a. Now consider the operator f (A)
where f (x) is some function of x. Find the matrix elements a |
HOMEWORK # 10
Physics 6572 Friday, 11/21/08; due MONDAY 12/1/08
1. Study carefully section 5.3(d), Electric Quadrupole Hyperne Splitting of a Hydrogenic Atom, and reproduce the results (5.127) and (5.128).
2. Contributions to the magnetic moment of an ato