March 18, 1994--OBJECTS IN MOTION is a set of six simulations for
introductory courses that deal with the physics of moving objects, such as
the acceleration of cars, swimmers in a moving reference frame, rotating
and colliding objects, the trajectory of cannonballs, and the orbits of
planets. The program enables you to create and run computerized
experiments that help students gain intuition about the phenomena being
studied.

Developed by Peter Cramer at Case Western Reserve introduces the basic
concepts of circular University OBJECTS IN MOTION covers topics such as
kinematics, rotational motion, uniformly accelerated motion, projectiles,
collisions, conservation laws, Galilean relativity, relative motion,
Kepler's laws, scattering, and vector superposition. "The program is easy
to work with," says Cramer, "because all the simulations have the same
look and feel. Graphs and displays update themselves automatically the
moment you make a change, so you don't waste time waiting for answers."
Also, he says, "incorrect results are never displayed, and the equations
of motion are hard-wired in, eliminating any numerical error that could
confuse or mislead your students." In addition, experimental setups can be
saved and run at a later time.

OBJECTS IN MOTION is ideal for use in introductory physics courses. It can
be used as a lecture tool to demonstrate abstract concepts that are
difficult to present on a chalkboard. And because the software is
interactive, it is an excellent study aid for use in conjunction with
homework assignments.

Reviewers have been enthusiastic about the educational utility of OBJECTS
IN MOTION. "This program will greatly enhance student learning. The
ability to graph and view the results of the math involved dynamically is
superb," says Gary Day, West Fork High School. Larry Weathers, Bromfield
School, comments that the software is "an excellent collection of programs
to help visualize some basic mechanics phenomena." And Jay P. Kopp, Loras
College, states that the program is "an excellent software package that
compares quite favorably with Interactive Physics."

OBJECTS IN MOTION is published and distributed by Physics Academic
Software, which is a project of the American Institute of Physics in
cooperation with the American Physical Society and the American
Association of Physics Teachers, as part of a continuing series of
educational software from PAS.

OBJECTS IN MOTION is available for both PC and Macintosh computers. The PC
version requires a PC with VGA graphics, 640K RAM, DOS 3.3 or later, a
mouse, a 3.5" disk drive, and a hard disk with 2.4 MB of available space.
A math coprocessor is highly recommended. The Macintosh version requires a
Macintosh computer with system 6.0.3 or higher and a hard disk with 2.4 MB
of available space. A 68030 CPU (or better) and math coprocessor are
highly recommended.

OBJECTS IN MOTION may be purchased from Physics Academic Software for
$84.95 plus $3.50 shipping and handling for the first package ($12.50
foreign air mail) and $.75 ($4.00 foreign) for each additional package.
Lab Packs, which include ten copies of the software and one User's Manual,
are available for $254.95.

For a limited time, you can purchase the entire PAS collection, with or
without Lab Packs, and save up to 20% off the regular price. Physics
Academic Software offers a no-risk guarantee by providing a full refund
for packages returned within 30 days.
PAS also offers a Standing Order Plan, which brings the latest in
innovative physics courseware to your door, along with exceptional
savings. When you join the Standing Order Plan, you will automatically
receive each new PAS program, with or without Lab Packs, and save up to
20% off the list price.

Orders and requests for the Physics Academic Software 1993-1994 Catalog of
Programs should be directed to The Academic Software Library, Campus Box
8202, North Carolina State University, Raleigh, NC 27695-8202. By
telephone, call (800) 955-TASL or (919) 515-7447; FAX (919) 515-2682.

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