2.13 Helpful Hints for Manipulating
Equations
Purpose: To learn an efficient method for manipulating equations
Introduction: In the previous activity you used your present knowledge to
manipulate a set of equations. Whether that task was easy or difficult

2.27 Free Fall Problems Answers
Answers are below in green:
Procedure:
1. Read each problem carefully. Remember that the value for the
acceleration of a falling object near the surface of the earth is -9.81
m/s2 if air resistance is negligible. This value

2.16 Introduction to Velocity
Purpose: To develop the concept of velocity
Introduction: Students often use the terms "speed" and "velocity"
interchangeably. In actuality, there is a distinction between the two terms. In
this activity you will explore thes

Title: Angle and Velocity Lab
Purpose: To determine whether simulated objects of different mass and diameter when launched, would
have the same outcome of range, height, landing area and time when they were launched with the
same angle(degrees) and initia

4.08 Selecciones- El Premio Nobel
A. A.
Answer the following questions about the reading in complete
Spanish sentences:
1. Quines eran los dos ganadores del Premio Nobel del pas de
Guatemala?
El dos ganadores del Primio Nobel nacieron y vivieron en Guatem

Purpose: To explore conservation of momentum in a lab setting.
Introduction to the variables and equations:
Basic equation for momentum of a single object:
Subscripts o and f can be included in the equation to represent initial (before
collision) and fina

Questions:
1. Define gravity.
Gravity is an attracting forcec]that acts between any two objects.
2. What is the difference between mass and weight? Weight is the measure of gravitational
attraction mass remains the same, mass is the amount of matter in an

Questions:
1. Define gravity.
Gravity is an attracting forcec]that acts between any two objects.
2. What is the difference between mass and weight? Weight is the measure of gravitational
attraction mass remains the same, mass is the amount of matter in an

Title: Angle and Velocity Lab
Purpose: To determine whether simulated objects of different mass and diameter when launched, would
have the same outcome of range, height and time when they were launched with the same
angle(degrees) and initial speed(m/s).

2.04 Problem-Solving Methods
Purpose: To become acquainted with the proper methods for solving
problems
Introduction: In this activity you will first learn about the "Three-part Method
of Problem-Solving." Upon completion of this activity you will be requ

Title: Angle and Velocity Lab
Purpose: To determine whether simulated objects of different mass and diameter when launched, would
have the same outcome of range, height and time when they were launched with the same
angle(degrees) and initial speed(m/s).

2.28 The Law of Falling Bodies Lab
Purpose: To use a physics applet to calculate the acceleration due to the
gravitational force on the Earth, moon, and Mars, and to investigate a falling
body under the influence of air drag
Introduction: An object is sai

2.21 Alternative Acceleration Lab
Purpose: To measure the position of a ball as a function of time and to
analyze the motion using graphical analysis.
Materials: Tennis ball, stopwatch, ruler, chalk, Graphical Analysis
Procedure:
1. Roll a tennis ball for

Procedure:
1. Assemble six (6) objects that have a circular surface. Carefully measure the diameter
of the circular surface of each object. Measure the value to the nearest hundredth
of a centimeter and record the value in Table 1.
2. To measure the circu

07.01 Weather Concepts
Vocabulary
Spanish
English
Est lloviendo.
Image
Sentences
Hoy est lloviendo en Seattle.
It is raining.
Llueve
Llueve mucho en el verano.
It rains.
Est nevando.
Hoy est nevando en Colorado.
It is snowing.
Nieva
It snows.
Est nublado.

Answer
s:
1. We are limited by the environment God created for us to enjoy.
True
False
Score: 0 of 5
2.
In the Position versus Time Graph of an object moving in a straight line, what is the
average speed for the object during the second hour? (5 points)
4

2.23 Motion Graph Tutorial
Purpose: To study the information that may be obtained from a motion graph
Introduction: Motion graphs can yield a great deal of information about the
velocity, acceleration, and distance traveled. This tutorial will show you ho

2.02 The Physics 400
Purpose: To investigate the ways that distance, time, and average speed are
related
Introduction: In the last two activities (Speed Limit and Speed Tutorial) you
explored and refined your previous knowledge of the concepts related to

2.03 Introduction to Speed Problems
Answers
Answers are found below in green:
1. Jennifer and her mother were taking a trip from Tallahassee to Atlanta
to visit her brother at Georgia Tech. When they started the trip at 8:00
AM, the odometer reading was 7

2.11 Vectors Everywhere
Purpose: To work with vector quantities found in your everyday world
Introduction: In the previous activities of this cycle, you have explored your
understanding of scalar and vector quantities. You have learned that these
quantiti

2.10 Exploring Scalar and
Vector Quantities Answers
Suggested answers are in green:
1. Now that you have studied the tutorial, what is the difference between
a scalar quantity and vector quantity?
Some quantities may be completely described in terms of th

2.22 Another Look at Motion Graphs Answers
Suggested answers are below in green:
Questions: You can copy these questions and place them in your notebooks.
1. The graph below shows the motion of a ball rolling across the floor.
Study the graph and answer t

Introduction to Diagrams
Introduction to Diagrams
Ticker Tape Diagrams
Vector Diagrams
Throughout The Physics Classroom Tutorial, there is a persistent appeal to
your ability to represent physical concepts in a visual manner. You will
quickly notice that

3.00 Newton's First Law Answers
Suggested answers below are in green:
Questions:
1. Aristotle incorrectly thought that a moving object must have a
continuous force exerted on it to keep it moving. On the other hand,
Galileo and Newton thought that in the

2.08 Matching Motion Graphs Answer
Suggested answers are below the Matching Motion Graphs in green:
Questions:
1. Study the position versus time graph shown below.
Which speed versus time graph (A or B) would match the motion shown
above in the position v

2.26 Paul Hewitt's Free fall 2-1 Answers
1. A rock dropped from
the top of a cliff picks
up speed as it falls.
Pretend that a
speedometer and
odometer are attached
to the rock to show
readings of speed and
distance at one second
intervals. Both speed
and

2.05 Speed Problems Answers
Answers are in green:
1. The equation for average speed is v = d/t.
Solve the equation for "t."
v = d/t
Multiply both sides by t:
vt = d
Divide both sides v:
t = d/v
Solve the equation for "d."
v = d/t
Multiply both sides by t:

2.24 The Graph Told Me! Answers
Suggested answers are in green:
Questions: You can copy these questions and paste them into your
assignment.
1. The graph below shows the motion of an object.
A. What information is obtained from the slope of a position ver

2.06 Introduction to Motion Graphics
Answers
1. Describe the motion suggested by Graph 1.
The object is moving from 0 meters to 25 meters at a constant speed of
5 m/s from 0 s to 5 s. Notice the object is covering equal distances in
equal times.
2. Descri

2.12 Exploring Manipulation of
Equations
Purpose: To discover your level of understanding of manipulating equations
Introduction: Equations are useful for learning and understanding the
relationship among variables being studied. Often it is desirable to

2.09 Introduction to Scalar and
Vector Quantities Answers
Suggested answers are below in green:
Questions:
1. According to your present knowledge, what is the difference between a
scalar quantity and vector quantity?
A scalar quantity is defined by a sing

4.09 Presentaciones- Mensajes de casa - Prctica
A. Contesta las preguntas con una oracin (a sentence) completa en espaol.
1. Dnde estn Pablo y Julio?
Pablo y Julio estuvieron en la Ciudad de Mxico.
2. Qu tienen los muchachos en las manos?
Los muchachos ll

2.07 Exploring Our World in Motion
Answers
Suggested answers are in green:
Questions:
1. Looking at the Constant Rightward Velocity at the "Physics
Classroom," notice the dot pattern formed when they marked the
position of of the ball.
A. Describe the spa

2.18 Paul Hewitt's Linear Motion 2-1 Answers
Non-Accelerated Motion
1. The sketch shows a ball rolling at constant velocity along a level floor.
The ball rolls from the first position shown to the second in one second.
The two positions are one meter apar