Warning: Use of undefined constant referer - assumed 'referer' (this will throw an Error in a future version of PHP) in /usr/home/essaywo/public_html/essays on line 102

Warning: Use of undefined constant host - assumed 'host' (this will throw an Error in a future version of PHP) in /usr/home/essaywo/public_html/essays on line 105

Warning: Cannot modify header information - headers already sent by (output started at /usr/home/essaywo/public_html/essays:102) in /usr/home/essaywo/public_html/essays on line 106

Warning: Cannot modify header information - headers already sent by (output started at /usr/home/essaywo/public_html/essays:102) in /usr/home/essaywo/public_html/essays on line 109
What Is Physics And What Are Its Uses? - Online Essays

What Is Physics And What Are Its Uses?

?
Physics, a branch of science, is traditionally defined as the study of
matter, energy, and the relation between them. The interaction between matter
and energy is found everywhere. In order for matter to move, it requires some
form of energy.
Sports show many good examples of the relationship between matter and
energy. For instance, a pitcher requires energy to throw a baseball at the
incredible speed and accuracy that is needed to keep the batter from using his
energy to try and hit the ball. The batter exhibits the need for a certain
trajectory because he/she needs to hit the ball hard enough and keep it high
enough to sail over the outfield wall. On the other hand, the batter must ...

Want to read the rest of this paper?
Join Essayworld today to view this entire essay
and over 50,000 other term papers

and are devices for the creation and
amplification of a narrow, intense beam of coherent light. New laser
microsurgery can actually alter the shape of the cornea in the eye so the
patient's eyesight can return to normal, and he/she will no longer need those
bothersome glasses. Ultrasound is used in the medical field for destroying
various unwanted substances in the body such as kidney stones. Ultrasound uses
sound waves to dissolve these foreign bodies. If not for physics, ultrasounds
would never have been discovered and utilized. MRI scans, another new
discovery, are able to show a complete three dimensional picture of the
interior structure of the body, and are extremely valuable in hospitals. These
scans are based on the principles of electromagnetism, and the phenomenon that
nuclei of some atoms line up in the presence of an electromagnetic field.
Understanding the dark matter of the universe, which has remained a
mystery for quite some time, is based primarily ...

Get instant access to over 50,000 essays.
Write better papers. Get better grades.

Already a member? Login

CITE THIS PAGE:

APA
MLA
Chicago
Turabian

What Is Physics And What Are Its Uses?. (2005, February 21). Retrieved June 5, 2025, from http://www.essayworld.com/essays/What-Is-Physics-What-Its-Uses/22596

"What Is Physics And What Are Its Uses?." Essayworld.com. Essayworld.com, 21 Feb. 2005. Web. 5 Jun. 2025. <http://www.essayworld.com/essays/What-Is-Physics-What-Its-Uses/22596>

"What Is Physics And What Are Its Uses?." Essayworld.com. February 21, 2005. Accessed June 5, 2025. http://www.essayworld.com/essays/What-Is-Physics-What-Its-Uses/22596.

JOIN NOW

Join today and get instant access to this and 50,000+ other essays

PAPER DETAILS

Added: 2/21/2005 12:22:04 AM
Category: Science & Nature
Type: Premium Paper
Words: 504
Pages: 2

Save |

Report

SHARE THIS PAPER

SAVED ESSAYS

Save and find your favorite essays easier