Physics 2B Quiz Set 2 (finding and using the electric field)
1. Two equal positive charges are held fixed
and separated by distance D. Find the
electric field vector along their perpendicular
bisector. Then find the position relative to
their center, alon
Physics 2B Quiz Set 5: The magnetic force meets F=ma, among other things.
1. Find the period, T, of the circular motion of a charge q of mass m in a uniform B field. Let the plane of
the charges circle be perpendicular to the B field to make it easy.
2. V
Physics 2B Quiz Set 1 (The electric force meets Newtons 2nd law)
(there is no gravity unless the problem say so)
1. Two free point charges +q and +4q are a distance l apart. A third charge is placed so that all
three are in equilibrium when released. Find
Physics 2B Quiz Set 4
1. Find the electric potential at point A in the diagram.
Let V1 = 12 volts and V2 = 6 volts. R1 = 10 , R2 = 20 and
R3 = 30.
2. Solve the circuit given in the diagram for all the currents.
Let V = 20 volts: R1 = 10 , R2 = 20 and R3 =
Physics for Scientists and Engineers: Fluids,Waves, Optics, and Thermodynamics
PHYS 4C

Winter 2014
End of Thermodynamics
Waves
Review of Oscillations and SHM
Introducing Waves
Lana Sheridan
De Anza College
May 15, 2017
Last time
entropy
heat engines
Overview
wrap up thermodynamics
oscillations
simple harmonic motion (SHM)
spring systems
energy i
Physics for Scientists and Engineers: Fluids,Waves, Optics, and Thermodynamics
PHYS 4C

Winter 2014
Fluids, Thermodynamics, Waves, and
Optics
Overview of Course
Fluids
Lana Sheridan
De Anza College
April 10, 2017
Overview of the Course
There are 4 main sections to this course.
Topics
fluids
thermodynamics
waves
light and optics
Overview of the Cours
Physics for Scientists and Engineers: Fluids,Waves, Optics, and Thermodynamics
PHYS 4C

Winter 2014
Fluids
Buoyancy
Fluid Dynamics
Bernoullis Equation
Lana Sheridan
De Anza College
April 12, 2017
Last time
introduction to static fluids
pressure and depth
Pascals principle
measurements of pressure
ure at a given distance above level 1 in terms of the
Physics for Scientists and Engineers: Fluids,Waves, Optics, and Thermodynamics
PHYS 4C

Winter 2014
Waves
Sine Waves
Energy Transfer
Interference
Reflection and Transmission
Lana Sheridan
De Anza College
May 22, 2017
Last time
kinds of waves
wave speed on a string
pulse propagation
the wave equation
Overview
solutions to the wave equation
sine wav
Physics for Scientists and Engineers: Fluids,Waves, Optics, and Thermodynamics
PHYS 4C

Winter 2014
Thermodynamics
Thermal Expansion
The Ideal Gas Equation
Lana Sheridan
De Anza College
April 19, 2017
Last time
applications of Bernoullis equation
heat, thermal equilibrium, and the 0th law
temperature
introduced thermal expansion
Overview
thermal ex
Physics for Scientists and Engineers: Fluids,Waves, Optics, and Thermodynamics
PHYS 4C

Winter 2014
Thermodynamics
Ideal Gases
Heat & Internal Energy
Heat Capacity
Phase Changes
Lana Sheridan
De Anza College
April 24, 2017
Last time
thermal expansion
the ideal gas equation
moles and molecules
om up. As water on the surface is cooled from, say, 10C to
Physics for Scientists and Engineers: Fluids,Waves, Optics, and Thermodynamics
PHYS 4C

Winter 2014
Waves
Standing Waves
Sound Waves
Lana Sheridan
De Anza College
May 24, 2017
Last time
solutions to the wave equation
transverse speed and acceleration
energy transfer by a sine wave
interference
boundary conditions
reflection and transmission
Warm U
Physics for Scientists and Engineers: Fluids,Waves, Optics, and Thermodynamics
PHYS 4C

Winter 2014
Thermodynamics
Boltzmann (Gibbs) Distribution
MaxwellBoltzmann Distribution
Second Law
Entropy
Lana Sheridan
De Anza College
May 8, 2017
Last time
modeling an ideal gas at the microscopic level
pressure, temperature, and internal energy from microscopi
Physics for Scientists and Engineers: Fluids,Waves, Optics, and Thermodynamics
PHYS 4C

Winter 2014
Physics 4C Spring 2016 Test 2
Name: keg;
May 9, 2016
Please show your work! Answers are not complete without clear reasoning. When asked
for an expression, you must give your answer in terms of the variables given in the question
and / or fundamental cons
Physics for Scientists and Engineers: Fluids,Waves, Optics, and Thermodynamics
PHYS 4C

Winter 2014
Thermodynamics
Heat & Work
The First Law of Thermodynamics
Lana Sheridan
De Anza College
April 26, 2017
Last time
applying the ideal gas equation
thermal energy
heat capacity
phase changes
latent heat
Overview
more about phase changes
work, heat, a
Physics for Scientists and Engineers: Fluids,Waves, Optics, and Thermodynamics
PHYS 4C

Winter 2014
Thermodynamics
Second Law
Entropy
Heat Engines
Lana Sheridan
De Anza College
May 10, 2017
Last time
the Boltzmann distribution (distribution of energies)
the MaxwellBoltzmann distribution (distribution of speeds)
the Second Law of thermodynamics
entr
Physics for Scientists and Engineers: Fluids,Waves, Optics, and Thermodynamics
PHYS 4C

Winter 2014
Thermodynamics
Heat Transfer
The Kinetic Theory of Gases
Molecular Model
Lana Sheridan
De Anza College
May 1, 2017
Last time
more about phase changes
work, heat, and the first law of thermodynamics
PV diagrams
applying the first law in various cases
Physics for Scientists and Engineers: Fluids,Waves, Optics, and Thermodynamics
PHYS 4C

Winter 2014
Thermodynamics
Molecular Model of a Gas
Molar Heat Capacities
Lana Sheridan
De Anza College
May 3, 2017
Last time
heat transfer mechanisms
modeling an ideal gas at the microscopic level
pressure, temperature, and internal energy from microscopic
model
Physics for Scientists and Engineers: Fluids,Waves, Optics, and Thermodynamics
PHYS 4C

Winter 2014
Waves
Pulse Propagation
The Wave Equation
Lana Sheridan
De Anza College
May 17, 2017
Last time
oscillations
simple harmonic motion (SHM)
spring systems
energy in SHM
pendula
introducing waves
kinds of waves
Overview
wave speed on a string
pulse p
(, 9%?le gamer cfw_1:
Scientists wm expect you to be abie to do
approximate cfw_ estimated) caicwations witheut
the use ofva caiculater. Therefore yau wiii not
be aiiowed to use a calcuiator for quizzes,
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1. What are (a) the x component and (b) the y component of a vector a in the xy
plane if its direction is 250 counterclockwise from the positive direction of the x
axis and its magnitude is 7.3 m?
5. A ship sets out to sail to a point 120 km due north. An
Chapter 4 Homework Problems Solution
13. A particle moves so that its position (in meters) as a function of time (in seconds) is
r i 4t 2 j t k . Write expressions for (a) its velocity and (b) its acceleration as functions
of time.
21. A dart is thrown ho
Physics 2A Even Problem Answers
Chapter 2
2. (a) 1.74 m/s; (b) 2.14 m/s
4. 48 km/h
28. a)5.00 s b)61.5 m c) graph
30. (a) 2.5 s
36. (a) 56.6 s; (b) 31.8 m/s
38. (a) 32.9 m/s; (b) 49.1 s; (c) 11.7 m/s
60. 26 m
64. (a) 8.0 m/s2; (b) 20 m/s
66. (a) 0.13 m; (
DO NOT TURN THIS PAGE!
NAME: _
PHYSICS 50
SPRING 2010
EXAM 2
MAKE SURE TO SHOW ALL WORK IN COMPLETE DETAIL. NO CREDIT WILL BE GIVEN
IF NO WORK IS SHOWN!
1. A 2.0 kg object is subjected to three forces that give it an acceleration of
(
) (
)
8.0m / s 2 i +
82 CHAPTER 4 MOTION IN TWO AND THREE DIMENSIONS
m54 A ball is to be shot from level
ground with a certain speed. Figure
445 shows the range R it will have PET
versus the launch angle 60.'Ihe value E
of 6., determines the flight time; let
rm, represent th
Name:_
Physics 2A/Fall 2016
Quiz 7 (takehome extra credit quiz)
Make sure to show all work in complete detail. NO CREDIT will be given if no work is
shown!
1. Define the following terms without any mathematical definitions: (2 pts each)
a) Conservative F
1. The spring below is compressed 30 cm from equilibrium and released from rest.
Assume frictionless surface and a spring constant of k = 250 N/m.
a) Using WorkKE Theorem calculate the speed of the block as is passes through the
equilibrium position of s