What is Physics?

Physics, a branch of science, is traditionally defined as the psychoanalyze of

matter, naught, and the relation between them. The interaction between matter

and energy is make everywhere. In order for matter to move, it requires some

form of energy.

        Sports show many strong examples of the relationship between matter and energy.

For instance, a pitcher requires energy to throw a baseball at the incredible speed

and trueness that is needed to keep the batter from using his energy to seek and hit

the ball. The batter exhibits the need for a certain trajectory because he/she needs

to hit the ball hard ample and keep it highschool enough to sail over the outfield wall.

On the other hand, the batter must(prenominal) be certain to keep the trajectory low enough so

that the ball will reach the fence. Trajectory is also seen in basketball, where

players must shoot the ball with enough arch to gravel over the front of the rim, and go

through the hoop. The energy required to do this comes from not only the arms, but

the legs as well.

        The medical field has seen enormous breakthroughs because of principles of physics.

Doctors atomic number 18 now able to use lasers for surgery.



Lasers are based on the physical principle

of light, and are devices for the creation and amplification of a narrow, desirous beam of

coherent light. New laser microsurgery can actually extrapolate the shape of the cornea in the

eye so the patients eyesight can comeback 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 release these

foreign bodies. If not for physics, ultrasounds would never have been discovered and utilized.

MRI...

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