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Distance Relationship

What is the distance between two points and is a straight line the shortest root?

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http://hyperphysics.phy-astr.gsu.edu/hbase/dist.html#c1

Reflection from Mirrors

Simple movie of object distance equals image distance proved via changing ray diagram

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http://www.gmi.edu/~drussell/Demos/RayTrace/Mirrors.html

Accelerated Travels

A look at the combined effect on distance from an origin of distance traveled and relativistic effects during accelerated travel.

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http://mathpages.com/rr/s2-09/2-09.htm

Auto Stopping Distance

Explanation of how to calculate the stopping distance for a car and the factors involved.

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http://hyperphysics.phy-astr.gsu.edu/hbase/crstp.html

Astronomical Unit

The average distance between the Earth and the Sun is a natural distance unit and is called an Astronomical Unit (AU).

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http://hyperphysics.phy-astr.gsu.edu/hbase/astro/para.html#c1

Stereoscopic vision

How do we judge distances? Three-dimensional vision is explained here in straightforward terms. Also explains how 3D glasses work.

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http://www.unmuseum.org/stereosc.htm

Straightforward, easy to understand answers to 13 frequently asked questions about the planet Earth. This site is plain, but coherent and factual presentation. (All distances and speeds quote miles ...

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http://teacher.scholastic.com/researchtools/articlearchives/space/earth.htm

Why do sound waves transmit farther at night? Is it because it is quieter at night?

A simple explanation of why sound travels long distances at night. There are some attractive graphics.

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http://www.hk-phy.org/iq/sound_night/sound_night_e.html

Gullstrand's Equation

Thick lenses can be handled with thin lens type equations if the distances are measured from hypothetical principal planes. The power of a lens with respect to the second principal plane is given by ...

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http://hyperphysics.phy-astr.gsu.edu/hbase/geoopt/gullstrand.html#c1

Vergence

The vergence of light is defined by where n is the index of refraction of the medium and L is the distance in accordance with the Cartesian sign convention.

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http://hyperphysics.phy-astr.gsu.edu/hbase/geoopt/vergence.html#c1

Showing 1 - 10 of 27

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