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
Physics 102 - Work and Energy
Some of the problems below could be solved using Newtons Laws and kinematics but your assignment is to solve the problems using work and the Work
Energy Theorem if possible (unless told otherwise). Keep in mind that some
ques
Exam 3
PHYSICS 102-001
Firstname
Lastname
November 25, 2013
You must start all problems from the equations on the sheet.
You must show all work to get full credit for the problem.
Please box your answers.
If you need more space, you may use the back of th
PHYSICS 102 - Fall 2013 - Sections 1,2 & 3
COURSE INSTRUCTORS:
Lead Instructor
Brian LeRoy, email: leroy@physics.arizona.edu; oce: PAS 547; phone: 626-4726
Oce hours in PAS 170C on Tuesday and Thursday from 10:30-11:30
Assistant Instructors
Rebekah Cross,
Physics 102
Problem Set 7, Circular Motion
Problem 1. A washing machine turns on and starts from rest. The spin cycle starts and the
machine steadily gains angular speed for t1 = 8 s at which point it is turning at = 5 rev/s. The
lid is then opened which
Problems that should be completed after each of these days:
If something is in parenthesis, you can try it that day or you can wait until after the next
class period.
Homework is generally due one class period after the material is finished in class. HW #
E&M Unit 4 - Magnetism: Worksheet 2 Key
Part 1 - Magnetic Force Direction
The following diagrams show acharged particle or a current carrying wire in a magnetic eld.
For each diagram use the right-hand rule to draw an arrow on the object that shows the di
YEAR 12 PHYSICS
Revision first 6 weeks
1. A car travelling at 17ms-1 west changes its direction to due north. Calculate the
change in the cars velocity.
2. A bag weighing 562 N is resting on a plane inclined at 30o from the horizontal. Find
the magnitude
This picture shows the magnetic field lines, as well and the north and south poles of the magnet
Penny
Paper
Marble
Paper Clip
Silver Duck Tape
Silver Ring (washer)
Hypothesis:
will be affected
by magnet
Hypothesis:
will not be
affected by
magnet
Observat
Comprehension Questions
Note: peta means x 1015 while tera means x 1012
1. Why do neutrinos travel through space so easily?
Find the relevant information and write it down
They have little mass and no charge so they can pass through matter and electromagn
Wave Interference and Resonance
1. An audio frequency oscillator produces a single frequency sound wave but sends it through two
speakers 1 m apart from each other. An observer standing 10.0 m away from the speakers and
half way between them (point O) hea
Blocks Suspended in LiquidsBuoyant Force 98
Shown below are six containers that contain various liquids. Blocks of various solids are
suspended in the liquids by being hung from a supporting rod. All of these blocks are the
same size, but they have differ
Magnetism worksheet
1. What are the 2 criteria necessary for a substance to be considered a magnet?
_
_
2. State where you will see repulsion or attraction between the bar magnets.
3.
N
S
S
N
S
s
n
n
Draw a magnetic field for each of the following example
Using Vectors in Two Dimensions
Combine the following vectors using graphical methods (head to tail).
A
B
C
D
E
1. B+C 2. C+E 3. A+B 4. B+C+A 5. A+B+C 6. D+A 7. A+B+C+D+E
2. John travels from his cabin in the mountains for 13km N30E then heads 7km S45W. W
Physics 102 - Fluids
1: Which is more likely to pop a balloon: A force of 20 N applied to an area of 0.01 m2 or
a force of 45 N applied to an area of 0.03 m2 ?
2: Our less than accurate Daily Wildcat has run the following fast fact far too many times:
A p
Physics 102 - Simple Harmonic Motion and Waves
1: A mass on a spring undergoes simple harmonic motion with amplitude A.
a: In a time equal to three periods, what is the magnitude of the displacement of the mass?
b: In a time equal to three periods, what a
Physics 102 Equations
a2 + b2 = c2
opposite
hypotenuse
cos =
2
If
v =
sin =
ax + bx + c = 0
x
t
a
=
v
t
adjacent
hypotenuse
tan = sin / cos
then
x=
x
t0 t
|~g | = 9.8m/s2
v
t0 t
v = lim
~v = v~0 + ~at ~r = r~0 + v~0 t + 12~at2
b b2 4ac
2a
a = lim
P ~
Fex
In-Class Activities
1: A golfer is putting on the green. His first putt travels 10 m north. His second putt travels
2 m at an angle 25 south of west and his final putt (which gets the ball in the hole) travels
0.5 m at an angle 60 east of south. You may a
Science 10
Worksheet 7:
Velocity and Acceleration
Additional Practice Questions
Directions:
Select the best answer for each of the
following questions. Answers are found at the
end of this document.
Physical Science: Motion:
The Relationships between disp
Momentum Worksheet
Name_
Date _
Period _
True or False?
_1.) Momentum is not equal to the mass of an object divided by its velocity.
_2.) The momentum of an object can change.
_3.) Two objects with the same mass will always have the same momentum.
_4.) Al
Momentum and Collisions
Name:
Momentum, Impulse and Momentum Change
Read from Lesson 1 of the Momentum and Collisions chapter at The Physics Classroom:
http:/www.physicsclassroom.com/Class/momentum/u4l1a.html
http:/www.physicsclassroom.com/Class/momentum/
Momentum Worksheets
Momentum in One Dimension
1. What is the momentum of a 0.25 g bug flying with a speed of 12 m/s? 3.0 x 10-3 kg
m/s
2. a) What is the momentum of a 112 kg quarterback running with a speed of 4.8 m/s?
5.4 x 102 kgm/s
b) What impulse must
Magnets and Magnetism Worksheet
Activity: Magnetic Strength: Measure the distance between your magnet and a
paper clip being held in the air for three magnets. After completing the exercise,
order the magnets from stronger (#1) to weakest (#3).
Magnet
Exa
Using Vectors in Two Dimensions
Combine the following vectors using graphical methods (head to tail).
A
B
C
D
E
1. B+C 2. C+E 3. A+B 4. B+C+A 5. A+B+C 6. D+A 7. A+B+C+D+E
B+C
C+E
B+C+A
A+B
A+B+C (same as B+C+A)
D+A
A+B+C+D+E
2. John travels from his cabin
KS2 Science
Magnets and springs
Name:
Date:
Have a guess whether each of these objects
will be attracted to a magnet, and write a
Yes or No in the Guess column. Then try
the experiment for real, holding each object
close to a magnet. Is it attracted?
Writ
WORKSHEET FOR MAGNETISM AND ELECTRICITY
Use your VOM to check the voltage induced by a coil of magnet wire passing through a
magnetic field:
Highest reading along the lines of force = _
Highest reading across the lines of force = _
Create this electromagn
Blocks Attached to Fixed ObjectsRope Tension 2
The eight gures below show various situations where blocks of different weights are
attached by ropes to rigidly xed objects or to other blocks, which are attached to xed
objects The situations differ in a nu
Physics 102 - Vectors
~ =A
~+B
~ +C
~ +D
~
1: Four vectors are shown (on the next page). Graphically determine R
~=D
~ B
~ 2A
~ 3C
~ using the second set
using the first set of axes. Graphically determine S
~ = 2A
~ 3C
~ +D
~ B
~ using the third set of ax
Wave behaviour
1. A research ship is measuring the depth of the ocean by sending a sound pulse called a ping
from the surface of the ocean towards the ocean floor.
a. Describe how the ship could use this ping to determine the depth of the ocean.
b. The sp