PHYS 102
Spring 2008 Exam #1 Study Guide
These are the equations and instructions that will appear on the first page of the exam:
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Equations
Physics 102
Problem Set 1, Vectors
Problem 1. Consider the four vectors in the gure to the right.
Graphically determine the following vectors, R = A + B + C + D ,
S = 2A B 3C + D and T = D 3C + 2A B .
Problem 2. Let A = 3 cm and B = 4 cm where the cm stan
Physics 102
Problem Set 4, Newtons Laws
Problem 1. A passenger sitting in the rear of a bus claims that he was injured when the driver
slammed on the brakes, causing a suitcase to come ying toward him from the front of the bus. If
you were the judge in th
Physics 102
Problem Set 1, Vectors
Problem 1. Consider the four vectors in the gure to the right. Graphically determine the
following vectors, R = A + B + C + D , S = 2A B 3C + D and T = D 3C + 2A B .
S
R
D
D
A
B
-B
2A
-3C
-3C
C
2A
-B
D
T
Problem 2. Let A
Physics 102
Problem Set 2, One Dimensional Kinematics
Problem 1. If the average velocity of an object is zero in some time interval, what can you say
about its displacement in that interval? What about its distance travelled? Explain your answers.
You kno
Oscillation Lab Report
Connor Harris
Physics 181
Lecture 1
Hector Sosa
I. AbstractOscillation can be found while using both pendulums and springs.
Throughout our experiments we were able to determine what exactly effects the
period of a pendulum, as well
Physics 102
Problem Set 2, One Dimensional Kinematics
Problem 1. If the average velocity of an object is zero in some time interval, what can you say
about its displacement in that interval? What about its distanced travelled? Explain your answers.
Proble
Physics 102
In Class Problems
*Problem 1. A spring loaded gun can shoot balls into the air by compressing a spring by x = 0.1
m and then releasing it. When doing this it can shoot a m = 0.1 kg ball in the air to a height of
h = 8 m. Find the spring consta
Physics 102
In Class Problems
Problem 1. A person is standing on the mall directly above the ILC. They throw a ball so that it
hits the ground below after t = 1 s. The ground is h = 8 m below the person.
(a) Do they throw the ball upwards or downwards? Do
Physics 102
In Class Problems
*Problem 1. Let A = (5 + 2) cm, B = ( + 2) cm and C = A 2B .
x
y
x
y
(a) Graph the vectors A, B , and C .
B
A
A-2B
(b) Find the magnitude of C .
13 cm
First we can write the expression for C .
C = (5 + 2) cm 2 ( + 2) cm
x
y
x
Physics 102
In Class Problems
Problem 1. The cart of whiteboards has a mass of 30 kg. Michael and Dan are trying to push it
across the lecture hall. Michael pushes in the East direction with a force of 150 N. Dan pushes in
the NE direction with a force of
Physics 102
In Class Problems
Problem 1. A hockey puck of mass m = 160 g is shot at vi = 20 m/s along the surface of an ice
rink. It comes to rest after a distance of d = 60 m.
(a) Draw a free-body diagram of the puck. Need 3 total forces
n
fk
mg
(b) What
GEOS479/579
HOMEWORK #1
(Due Sept. 6)
Problem 1
Background:
1. All objects that have a temperature emit radiation.
a. Outgoing Radiation = T4
b. is the Stephan-Boltzmann constant = 5.67 x 10-8 W/(m2 K4)
c. T is temperature in K
2. A blackbody absorbs all
Physics 102
Problem Set 6, Momentum and Collisions
Problem 1. You are standing perfectly still and then you take a step forward. Before the step your
momentum was zero, but afterward you have some momentum. Is the principle of conservation of
momentum vio
Physics 102
Problem Set 4, Newtons Laws
Problem 1. A passenger sitting in the rear of a bus claims that he was injured when the driver
slammed on the brakes, causing a suitcase to come ying toward him from the front of the bus. If
you were the judge in th
Physics 102
Problem Set 3, Two Dimensional Kinematics
Problem 1. If you know the position vectors of a particle at two points along its path and also
know the time interval during which it moved from one point to the other, can you determine the
particles
730/5 off/1e big/rt ack! (urllc
Scientific communication is often visual; as with other human efforts, picking the right tool for the job is critical. Remember, the goal is always to convince
others (who may be skeptical) of the validity and relevance of
Physics 102 Equations
a2 + b 2 = c 2
opposite
hypotenuse
cos =
2
If
v =
sin =
ax + bx + c = 0
x
t
a
=
adjacent
hypotenuse
then
tan = sin / cos
x=
x
t!0
t
|~g | = 9.8m/s2
v
t
v = lim
~v = v~0 + ~at ~r = r~0 + v~0 t + 12~at2
p
b b2 4ac
2a
a = lim
t!0
v
t
P
Physics energy conservation lab notes LAB REPORT WITH ONE GRAPH
All heigh is either 0 or less than zero
The initial energy Ei =ki+Ui 0+0 0 and ignore the firction
Measure the height and velocity to calculate total height.
Total energy is constant during w