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laser-distance-measurement

Image:
screenshot of the scene

Author: DrBalk

Group: Educational

Filesize: 41.44 kB

Date added: 2016-11-29

Rating: 5

Downloads: 406

Views: 352

Comments: 3

Ratings: 1

Times favored: 0

Made with: Algodoo v2.1.0

Tags:
schule,
speedoflight,
lichtgeschwindi,
laserentfernung

Scene tag
This is a model for the method of measuring the distance of
two objects by means of measuring the time between sending
and receiving the laser pulse. This can cause some wrong
measurement, if the ligth "travels through glass", where its
speed is reduced. On the other hand, by this you can measure
the speed of light in glass or water.

Dies ist ein Modell, das den Laserentfernungsmesser
verdeutlicht: Es wird die verstrichene Zeit zwischen
Senden und Empfangen des Laserimpulses gemessen.
Dies kann aber auch falsche Entferungsangaben bewirken,
wenn der Zwischenraum nicht mit Luft, sondern z.B. mit
Glas oder Wasser gefüllt ist. Auf der anderen Seite kann
man dadurch aber auch die Geschwindigkeit von Licht
in Wasser oder Glas indirekt messen.
Last edited at 2016/11/29 21:36:12 by DrBalk
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Xray
2016/11/29 22:17:21
Where is the laser? I cannot find it! :huh:
Last edited at 2016/11/29 22:18:27 by Xray
s_noonan
2016/12/01 00:14:33
Looks and works good.

Another way to code this would be to put the following in the box:

scene.my.waterpos = pos;

And the following in the balls:

v := pos - scene.my.waterpos;
v(0) > -1.0 && v(0) < 1.0 && v(1) > -1.0 && v(1) < 1.0 ? {
vel(1) >= 0 ? {vel = [0, 0.25]} : {vel = [0, -0.25]}
} : {
vel(1) >= 0 ? {vel = [0, 0.5]} : {vel = [0, -0.5]}
}
Last edited at 2016/12/01 00:17:40 by s_noonan
Xray
2016/12/01 00:21:37
I get it now! This is just a "model" of a laser measuring system. DUH! :bonk:

:lol: