Final Physics
1. The radar systems used by police to detect speeders are sensitive to the Doppler. how this
sensitivity can be used to measure the speed of a car A beam of electromagnetic waves of
known frequency is sent toward a speeding car, which refle
Scalar Product
Math Stuff
cos
Vector Product
sin
Quadratic Formula
2
(ax +bx+c=0)
Surface Area of Sphere
Volume of Sphere
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4r
2
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Electric Force / Field / Potential Energy
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Coulombs
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Law
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6
3
3
Electric
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PHYS 4A
In class activity 2
1) (2 point) A cubic container has sides of length 25 0 mm. If 1 000 cubic meter of pure water has a
mass of 1000 kg, what mass of water will this container be able to hold? \1: ,M [0
x95 ~ 15,0125! 1" W
950m mmxiSMm" K ~>XL\OC
PHYS 4A
In class activity 1
Name 3633!. (Ztn) Date.cfw_.\.cfw_.|.b
Part A
Open book open note. Please show your work and state your reasoning. Assume g = 10. m/s2 % a 3 "l 5,2
1) A solid cube svolume is tripled. What happens to its (3 points)
V= If" L= (
PHYS 4A
In class activity 3
Name 3034'. An cfw_\O Dateq/H/l
1. An object is fired down from the top of a 20.0 meter tall building with an initial velocity of -20.0
m/s. Another object is thrown upward from the ground with an initial velocity of +200 m/s.
Physics 4A
In-class Exam III -Practice
Name
For each of the multiple choice questions below, choose the best answer.
1) When a rigid body rotates about a fixed axis, all the points in the body have the same
A) tangential speed.
B) angular acceleration.
C)
Physics 4A
Fall 2014
Sample In-class Exam II
Name
1.
2.
3.
4.
jose andino
Consider a plot of the displacement (x) as a function of the applied force (F) for an ideal elastic spring. The
slope of the curve would be
a. the spring constant.
b. the reciprocal
PHYS 4A
Lab 10: Archimedes' Principle
Names: Jose Andino
Date:11/9/2016
Introduction:
Eureka! In this lab your goal is to perform some experiments to understand the source of
Archimedes excitement when he discovered that the buoyant force on an object in
PHYSICS 4A
Lab # 7: Ballistic Pendulum
Date: -10/19/16
Names: -Jose Andino
INTRODUCTION
In this experiment, the speed of a projectile will be measured in two different ways;
through the use of conservation laws and using kinematic equations as in projecti
If a fish is attached to a vertical spring and slowly lowered to its equilibrium position, it is found to stretch
the spring by an amount d.
If the same fish is attached to the end of the unstretched spring and then allowed to fall from rest, through
what
Jose Andino
Physics 4A
Lab#9-Centripetal Force
Intro: In this lab, we had to use lab equipment which would allow us to rotate a mass in a horizontal
circle. This is connected by a spring; from this we will use the given radius and the results we will be a
PHYS 4A
Lab # 12 SCIENTIFIC METHOD- Simple pendulum
Name: Jose Andino
INTRODUCTION
date: 11/21/2016
This experiment will use the scientific method to determine what factors enter into the
value of the period of a pendulum. The period of a pendulum is the
Name
Physics 4A
Fall 2016
In-class Exam I
For each of the multiple choice questions below, choose the best answer. [30 X 2 = 601
1.
Which of the following combination of units is the unit of Force (N)?
a. Kng/s2
b. Kg.rr1/s
Q.) kgm/s2
d. Kng/s
How many si
PHYS4A
Inclassactivity6
Name_Date.
Jose Andino
Physics 4A
1. During a tug-of-war, team A pulls on team B by applying a force of 1100 N to the rope
between them. The rope remains parallel to the ground. How much work does team A do
if they pull team B towa
Jose Andino
Physics 4A
Lab #5 Acceleration of gravity
Purpose: The purpose of this lab was to determine two things. First one being how determine the
acceleration of gravity for a freely falling object. Then secondly to gain the experience using the
compu
Jose Andino
Physics 4A
Lab #4 Newtons Law
Intro: In this lab we were to use Newtons second law which is the law of motion and entails
that the acceleration of an object as produced by a net force is directly proportional to the
magnitude of the net force,
Jose Andino
Physics 4A
Lab#9-Centripetal Force
Intro: In this lab, we had to use lab equipment which would allow us to rotate a mass in a horizontal
circle. This is connected by a spring; from this we will use the given radius and the results we will be a
Jose Andino
Physics 4A
10/24/16
Lab#7 Ballistic Pendulum
Purpose: The purpose of this lab is to utilize the laws of conservation along with the kinematic equations
to measure to velocity of the projectile.
Procedure: To begin, for this lab we had to set u
PHYS 4A
In class activity 4
Name 3 bSv. M\f\ C) Date . 05138.;
l. a) (I point) When asked about forces, someone responds: lf only one force is applied to an object,
the object will always move in the directi n that the force i pplie .' Do you a ee with th
PHYS4A
Inclassactivity7.
Name:JoseAndinoDate10/24/2016
1. Our sun rotates in a circular orbit about the center of the Milky Way galaxy. The radius of the
orbit is
, and the angular speed of the sun is
. How long (in
years) does it take for the sun to make
Activity # 8
Jose Andino
Physics 4A
Example 1
Two children sit on a see-saw which is 3 m long and pivoted on an axis at its center. The
first child has a mass m1 of 25 kg and sits at the left end of the see-saw, while the second
child has a mass m2 of 50
Newtons 2nd law Chart
0.16
y = -0.0193x + 0.1065
3
0.14
y = 0.0225x
4
0.12
y = 0.1322x
0.1
Force (N)
2
y = 0.0975x
0.08
0.06
0.04
5
Linear
(2)
Linear
(4)
Linear
(5)
Linear
(3)
0.02
0
0
0.2
0.4
0.6
0.8
1
1.2
1.4
Chart Title
Velocity (m/s)
0.14 0.14
I
if?) ' E) 7 ' ' C5
5. An object has a position given by i = [2.0 m + (3.00 m/s)t]i + [3.0 m - (2.00 nils2)t2]j, where all quantities
are in SI units. What is the magnitude of the velocity of the object at time
t = 2.00 s?
.3 L
P <2i5t, 5 it >
z>
.5.
(21
e. The lighter stone will reach its maximum height sooner than the heavier one.
15. Block 1 and block 2 have the same mass, m, and are released from the top of two inclined planes of the
same height making 30 and 60 angles with the horizontal direction, r
Physics 4A
Fall 2016 -
r ' Iu-class Exam H
10/17/2016
For each of the multiple choice questions below, choose the best answer. (25 X 3 - 75)
\/l.
A student slides her 80.0-kg desk across the level oor of her dormitory room a distance 4.00 m at
constant sp
The one thrown up is traveling faster.
The one thrown down is traveling faster.
They are traveling at the same speed.
The one thrown up travels 2 time slower than the other 4" we
None of above
994.057?
W 8. While an object is in projectile motion (with up
20) Water is owing in a horizontal pipe of diameter d. If you want to change the diameter of this pipe so that the
speed of the water would be half as great as it was, what should be the new diameter?
A) d/4
B) (172
C) d/ 2
I -
E) 2d
/
- Problems [5X8 = 4
B) 2.6 x 10-8 m
c 4.4 ><10-8 m
E) 8.2 x108 n1
!
WEN lls the container shown in the gure. At which of the indicated points is the pressure greatest?
A) A e - mm
B) B
C) C
D) 11. .
Wsure is the same at each of the labeled points.
m a certain depth in