1103 Period 8 Solutions: Energy Conservation and Efficiency
8.1
How Is Energy Conserved?
1)
Energy carts: Your instructor will demonstrate two rolling carts colliding with
a barrier.
Both carts have the same mass and the same frictional force with the tab
8/8/12
1103 Period 2 Solutions: Forms of Energy
2.1 How are Forms of Energy Defined?
1)
Forms of energy: Your instructor will discuss the forms of energy that we will
study in the World of Energy. Give an example of each form of energy listed
below.
a)
Me
8/8/12
1103 Per 9 Solutions: Simple Machines-Levers
9.1 How do Levers Work?
1)
Fulcrums and forces
a)
Place a meter stick on the plastic tube
with the 50 cm mark directly above the
tube. Place a 5 newton weight at the
100 cm mark of the meter stick.
50 cm
8/8/12
1103 Period 6 Instructor Solutions: Gravity
6.1
Where Does the Force of Gravity Appear to Act on An
Object?
1) Distribution of forces: Your instructor will show you how to lift a
heavy metal
rod using strips of paper.
a)
Is it possible to lift the
8/8/12
1103 Period 3 Solutions: Motion and Force
1)
3.1
What are Speed and Velocity?
Speed and velocity: Your instructor will discuss speed and velocity as
rates.
a)
Using a timer and a meter stick, measure the speed of a toy tank in
meters per second as
8/8/12
1103 Period 5 Solutions: Newtons Laws of Motion
5.1 What Are the Four Fundamental Forces?
1) Defining the fundamental forces: Based on your class activities and your
instructors
explanation, give examples of each of the fundamental forces.
a) Gravi
8/8/12
1103 Period 7 Solutions: Work and Energy
7.1
How Do We Measure Work and Energy?
1) The units of work and energy: Work is done when a force moves an
object. Energy
is required to do work.
a) Work and energy are measured in units of joules.
1 joule =
8/8/12
103 Period 4 Solutions: Forces
4.1
What Is Net Force?
1) Net force with horizontal motion: Your instructor will demonstrate
two carts
with attached fans moving on tracks. Both carts start from rest and
accelerate due to the applied force from the f
8/8/12
1103 Period 1 Solutions: Intro to the World of Energy
1.1
What Are Ratios? How Are They Used?
1) Ratios used to solve problems: Your instructor will introduce the concepts
of ratios
and per. Use this information to answer the questions in this sect
CHAPTER 13:
ELECTRIC CHARGE AND VOLTAGE
1. How would the electrical force between two objects change if the amount of charge on one of
the objects doubled?
2. How would the electrical force between two objects change if the distance between them
doubled?
EXPERIMENT
Capacitance in a Circuit
Peter Jeschofnig, Ph.D.
Version 42-0253-00-01
Review the safety materials and wear goggles when
working with chemicals. Read the entire exercise
before you begin. Take time to organize the materials
you will need and s
Vm C m 665k) go
Lab 1: Error & Uncertainty
Experiment 1.1: Internal time
Introduction: Percent Error
The percent error is a way of quantifying the relative size of the disagreement between the value
you find for some quantity and the value you expected to
Alternate Density Lab
NOTE: SHOW YOUR CALCULATIONS AND INLCUDE CORRECT UNITS TO RECEIVE ANY CREDIT
1.) What is the formula for calculating density? _
2.) If I get the mass of an object using the mass balance set on grams what unit would I use to express
t
Prof. Egidio Verde
PROBLEMAS RESUELTOS
EQUILIBRIO DE CUERPOS RGIDOS
1. Una gra mvil levanta una carga de madera que pesa W = 25 kN. El peso del
mstil ABC y El peso combinado de la camioneta y el conductor son los indicados
en la figura 1. Determine la rea
TRABAJO PRCTICO Nro. 2: Reacciones de vnculo
1) Se aplican tres cargas a una viga como se muestra en la
figura. la viga se apoya en un rodillo en A y en un perno en B.
Sin tomar en cuenta el peso de la viga, determine las
reacciones en A y b cuando P = 15
1) It is costly in both time and money to go to college. Does it pay off? According to the Conference
Board Survey by the Bureau of Census, the answer is yes. The average annual incomes (in thousand
of dollars) of households headed by a person with the st
Ch2-5. review
Ch2
Displacement is defined as the change in position during some time interval.
x xf - xi
SI units are meters (m)
x can be positive or negative
Different than distance
Distance is the length of a path followed by a particle.
The average
Welcome to Physics 1200!
LECTURE 1
Physics: the Core of all Sciences
Formerly called Natural
Philosophy , Physics has
developed out of the efforts to
explain why the universe around us
behaves the way it does.
Physics discoveries are sometimes
through exp
Chapter 5
The Laws of Motion
At the end of the ppt you can find several
examples with worked out solutions
The Laws of Motion
The description of an object in motion included its
position, velocity, and acceleration.
There was no consideration of what mig
Chapter 4
Motion in Two Dimensions
Kinematics in Two Dimensions
Will study the vector nature of position, velocity and acceleration in greater detail
Will treat projectile motion and uniform circular motion as special cases
Discuss relative motion
Introdu
Additional information to the textbook to understand 3-D problems and problem #15
Vectors (Chapter 3)
In 1 dimension, we can specify direction with a + or - sign.
In 2 or 3 dimensions, we need more than a sign to specify the
direction of something
There
LAB 3: MOTION GRAPHS
Introduction
This lab investigates how the quantities position (x), velocity (v), and acceleration
(a) are related to one another for some basic types of motion encountered
frequently in physics.
Experiment I concerns one-dimensional
Exam 2
Exam 2 is scheduled for Wednesday, Nov.4
Covers Ch6,7,8,9; Labs7,8.
Reference formulas sheet will be attached.
Notice: You can use your own 1 Page Reference sheet
with formulas and definitions only ( No samples of
solved problems).
The content wil
PHYS1250
Autumn 2015
EXAM2 _ makeup
Name_
Date _
Show your detailed work/ calculations for all questions.
2. A single force F = (2xi + 5y j) N acts on a 4.00 kg particle.
Calculate the work done by this force if the particle moves from the point having
th
Week 1
The goal of the first week is to introduce you to
Phys1250.
I will give you recommendations on what is needed to
be done to be very successful and stress -free in the
course.
We will review several algebra, trigonometry and
graphing concepts which
The only two forces acting on a body have magnitudes of 20 N and 35 N and directions that differ by 80. The
resulting acceleration has a magnitude of 20 m/s 2. What is the mass of the body?
a. 2.4 kg
b. 2.2 kg
c. 2.7 kg
d. 3.1 kg
e. 1.5 kg
If the only for
Lab 9: Density & buoyancy
July 14th 2015
PHYS 1200
Experiment 9.1: Density
Photo
Analysis
Table 9.1: Densities
Object 1 verbal description:
I used quarters as my Object 1. It is made of metal.
Object 2 verbal description:
I used a glass bottle as my objec
Lab 8: Torques
July 5th 2015
PHYS 1200
Photo
Setup/Data/Observations
I used a broom with removable head as my meter stick.
First, I tied a string around the center of the stick, hang up to ceiling and record the point as COG when
the stick stayed at level