PHYS 310 Week 3 Labs DeVry
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PHYS
310 Week 3 Labs DeVry
PHYS 310 Week 3
LAB A
Experiment
3a: Linear Motion: There and Back
Scenario/Summary
To describe
the motion of an object, you need to know where the object is relative to a
reference point, how fast it is moving, and in what direction it is moving. A
sonar ranging device, such as the PASCO Motion Sensor, uses pulses of
ultrasound that reflect from an object to determine the position of the object.
As the object moves, the change in its position is measured many times each
second. The change in position (displacement) over time is expressed as a velocity (meters
per second). The position measured from the sensor of an object at a particular
time can be plotted on a graph. You can also graph the velocity of the object
versus time. A graph is a mathematical picture of the motion of an object. For
this reason, it is important to understand how to interpret a graph of position
or velocity versus time. In this activity, you will plot graphs of motion in
real time; that is, as the motion is happening. Interpreting these graphs will
enable you to better understand distance, displacement, velocity, and speed.
In physics,
we often use everyday terms but change the meaning to clarify the concepts.
So distance or position is
how far an object is from a reference point and displacement is
how that position has changed. Speed and velocity are different. Speed (the
rate of change of position with respect to time) is how fast you move. Velocity is
both speed and direction. In this exercise, our reference point is the distance
sensor. If you move away from the sensor, your velocity is positive, and if you
move toward the sensor, your velocity is negative. If you move away from the
sensor faster, your velocity is a larger positive number. If you move toward
the sensor faster, your velocity is more negative.
The
purpose of this laboratory is to learn how to relate distance-time and
velocity-time graphs to the motions that they represent.
Deliverables
|
Category
|
Points
|
%
|
Description
|
|
Questions 1-15
(2 pts each) |
30
|
100
|
The student completely follows instructions
and answers the questions correctly.
|
|
Total
|
30
|
100
|
A quality report will meet or exceed all of
the above requirements.
|
Required
Software
This Lab will
use the following Lab Resources:
- Virtual Lab – Citrix
- PASCO
Capstone (Capstone must be downloaded from the Student Software Store and
installed on the student’s computer.)
Use a
personal copy of the software or access the Lab Resources, go to the Course
Resources page – Lab Resources section.
Lab Steps
STEP 1:
Review Lab Instructions for Experiment 3a
Review
detailed instructions
for the Week 3 lab 3a (Links to an external site.)Links to an external
site. and
to access the lab 3a Capstone file. Follow the steps in this document to
complete the lab activity.
STEP 2:
Complete the Data Sheet
Download
the lab report
template (Links to an external site.)Links to an external site. for the
week 3 lab 3a. Use this template to complete your lab report.
Save
your file using the filename format “lastname_firstinitial_Lab3a.” For example,
if you are Albert Einstein and you are submitting your Lab 3a, the filename
should be “einstein_a_Lab3a.”
STEP 3:
Submit Your Deliverable
Remember
to submit your assignment for grading when finished.
LAB B
Experiment
3b: Acceleration: Changing Motion
Scenario/Summary
When the
velocity of an object is changing, it is important to know how it is changing.
The rate of change of velocity with time is acceleration. You
will be measuring the motion of a cart with the motion sensor and making
displacement-time, velocity-time, and acceleration-time graphs. Interpreting
these graphs is an important step in learning about acceleration.
The
purpose of this laboratory is to understand the meaning of acceleration, its
magnitude, and its direction.
Deliverables
|
Category
|
Points
|
%
|
Description
|
|
Questions 1-15
(2 pts each) |
30
|
100
|
The student completely follows instructions
and answers the questions correctly.
|
|
Total
|
30
|
100
|
A quality report will meet or exceed all of
the above requirements.
|
Required
Software
This Lab will
use the following Lab Resources:
- Virtual Lab – Citrix
- PASCO
Capstone (Capstone must be downloaded from the Student Software Store and
installed on the student’s computer.)
Use a
personal copy of the software or access the Lab Resources, go to the Course
Resources page – Lab Resources section.
Lab Steps
STEP 1:
Review Lab Instructions for Experiment 3b
Review
detailed instructions
for Week 3 lab 3b (Links to an external site.)Links to an external site. and to
access the lab 3b Capstone file. Follow the steps in this document to complete
the lab activity.
STEP 2:
Complete the Data Sheet
Download
the lab report
template (Links to an external site.)Links to an external site. for the
week 3 lab 3b. Use this template to complete your lab report.
Save
your file using the filename format “lastname_firstinitial_Lab3b.” For example,
if you are Albert Einstein and you are submitting your Lab 3b, the filename
should be “einstein_a_Lab3b.”
STEP 3:
Submit Your Deliverable
Remember
to submit your assignment for grading when finished
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