EQUILIBRIUM 0F NON-CONCURRENT FORCES; THE LAW OF MOMENTS
and the
Object: To study the principles of the Law of Moments,
equilibrium of parallel forces.
Apparatus: Meter stick, fulcrum with knife edge, spring balance,
rigid support, known weights with pair
Physics 2A Lab 11
Simple Pendulum Derived Acceleration due to Gravity
Objective: The objective of this experiment to find the acceleration due to gravity using
a simple pendulum.
Theory:
A simple pendulum consists of a mass at the end of a lightweight cor
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American Society for Laser Medicine and Surgery Abstracts
1
AMERICAN SOCIETY FOR
LASER MEDICINE AND SURGERY
TWENTY-SEVENTH ANNUAL MEETING
GRAPEVINE, TEXAS
APRIL 11-APRIL 15, 2007
AB STRACTS
1
BASIC SCIENCE!
OPTICAL DIAGNOSTICS
MAGNETO-MOTIVE LASER SPECKLE
Physics 2A Lab 7
Hookes Law and Spring Stiffness, k
Objective: Calculate stiffness of springs using Hookes Law
Materials Needed: three springs, varying weights, a ruler and a spring hanging apparatus.
Experiment:
Figure 1. Set-up for determining spring co
SJCC Physics 2A Lab 10
Density of Solids and Liquids Using Archimedes Principle
Object:
To determine the density, and specific gravity of sample solids and liquids, by the
use of Archimedes principle. .
Apparatus:
[ Ohaus Spring Scale [in Stockroom], two
Physics 2A Lab
Determination of Projectile Velocity through Conservation of Energy and Linear
Momentum
Objective: To study inelastic collisions using a ballistic pendulum and to apply the laws of
conservation of energy and linear momentum.
Materials Neede
Physics 2A Lab 8
Projectile Velocity by Conservation of Energy and Angular Momentum
Objective: The objective is to apply the laws of conservation of energy and angular
momentum to an inelastic collision between two rotating objects. We will specifically
c
Physics 2A Lab
Lab 2B Graphical Determination of Free Fall Acceleration
Objective:
The objective of this laboratory exercise is to determine the acceleration due to gravity, g, at San
Jose City College in San Jose, California.
Materials Needed:
1. Free-fa
Physics 2A Lab - Projectile Range
Objective: To predict the point of the point of a projectile
Materials Needed: Beck Ball Pendulum, carbon paper, protractor, meter stick, and a wooden board
Experiment:
1. Mount the pendulum apparatus on a inclined wooden
Physics 2A Lab 1
Vector Addition
Objective: To learn how to add vectors
Materials Needed:
Pencil, string/tape measure, meter stick, square and large protractor, and a concrete pavement.
Experiment:
A. Field Experiment
We may think of a displacement vector
Physics 2A Lab
Lab 2A Analytical Determination of Free Fall Acceleration
Objective:
The objective of this laboratory exercise is to determine the acceleration due to gravity, g, at San
Jose City College in San Jose, California.
Materials Needed:
1. Free-f
Physics 2A Lab 3
MUZZLE VELOCITY OF SPRING GUN
A. Objective: to find the muzzle velocity of a projectile.
B.
1.
2.
3.
4.
5.
Materials Needed:
Beck Ball Pendulum Apparatus
Card board
Carbon paper
Ruler
Bubble level
C. Experiment
Recall that
x=v0xt + 1/2axt
Concurrent Forces and Newtons Third Law
Objective: The objective of this experiment is to determine the conditions necessary in
order to achieve mechanical equilibrium.
Materials needed: force table, four weight hangers, a set of weights, string, ruler, p
You just bring to the test
1. number two pencil and
2. Scantron- Form No. 882-ES
Introduction
Motion in One Dimension
opposite side
hypotenuse
adjacent side
cos
hypotenuse
opposite side
tan
adjacent side
sin
r 2 x 2 y 2
g =- 9.80 m/s
v average
a
x xi
HW Problem 4-41
The problem was to solve for the upward acceleration of a block on an inclined surface.
The rising block (m1=7kg) was tied via a pulley to another block (m2=12kg). This other
(12-kg) blocks tension caused the first block (7-kg) to accelera
11. _ tells that where the velocity of a fluid is high, the pressure in it is low, and where the velocity is low, the
pressure is high.
A. Bernoullis principle
42.
When you touch a cold piece of ice with your finger, energy flows from
12. The _ states tha
CHAPTER 11 HOMEWORK:
13. A certain steel railroad rail is 13 yd in length and weighs 70.0 lb/yd. How
much thermal energy is required to increase the length of such a rail by 3.0 mm?
Note: Assume the steel has the same specific heat as iron.
37. A 3.00-g l
Chapter 9 Homework:
5. The nucleus of an atom can be modeled as several protons and neutrons
closely packed together. Each particle has a mass of 1.67 3 10227 kg and radius
on the order of 10215 m. (a) Use this model and the data provided to estimate
the
CHAPTER 8 HEWORK:
9. A cook holds a 2.00-kg carton of milk at arms length (Fig. P8.9). What force F
S B must be exerted by the biceps muscle? (Ignore the weight of the forearm.)
11. Find the x- and y-coordinates of the center of gravity of a 4.00-ft by 8.
CHAPTER 10 HOMEWORK:
25. The average coefficient of volume expansion for carbon tetrachloride is 5.81
3 1024 (C)21. If a 50.0-gal steel container is filled completely with carbon
tetrachloride when the temperature is 10.0C, how much will spill over when t
CHAPTER 7 HOMEWORK
13. A rotating wheel requires 3.00 s to rotate 37.0 revolutions.
Its angular velocity at the end of the 3.00-s
interval is 98.0 rad/s. What is the constant angular
acceleration (in rad/s2) of the wheel?
25. A 50.0-kg child stands at the
CHAPTER 3 HOMEWORK:
9. A man in a maze makes three consecutive displacements.
His first displacement is 8.00 m westward, and
the second is 13.0 m northward. At the end of his third
displacement he is back to where he started. Use the
graphical method to f
CHAPTER 2 HOMEWORK:
13. A person takes a trip, driving with a constant speed
of 89.5 km/h, except for a 22.0-min rest stop. If the
persons average speed is 77.8 km/h, (a) how much
time is spent on the trip and (b) how far does the person
travel?
19. Runne
CHAPTER 4 HOME WORK:
19. A 150-N bird feeder is supported
by three cables as shown in Figure
P4.19. Find the tension in
each cable.
21. Two blocks each of mass m 53.50 kg are fastened to the top
of an elevator as in Figure P4.21. (a) If the elevator has a
CHAPTER 6 HOMEWORK:
19. The front 1.20 m of a 1 400-kg car is designed as a
crumple zone that collapses to absorb the shock of a
collision. If a car traveling 25.0 m/s stops uniformly in
1.20 m, (a) how long does the collision last, (b) what
is the magnit
CHAPTER 5 HOME WORK:
7. A sledge loaded with bricks has a total mass of 18.0 kg
and is pulled at constant speed by a rope inclined at
20.0 above the horizontal. The sledge moves a distance
of 20.0 m on a horizontal surface. The coefficient
of kinetic fric