File:OrbitingCannonBalls.png
OrbitingCannonBalls.png (409 × 396 pixels, file size: 40 KB, MIME type: image/png)
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Summary
[edit]DescriptionOrbitingCannonBalls.png |
English: Illustration of Orbits using Cannonballs
I created this drawing myself - FrankH 06:31, 12 Jan 2005 (UTC) If the cannon fires its ball with a low initial velocity, the trajectory of the ball will curve downwards and hit the ground (A). As the firing velocity is increased, the cannonball will hit the ground further (B) and further (C) away from the cannon, because while the ball is still falling towards the ground, the ground is curving away from it. If the cannonball is fired with sufficient velocity, the ground will curve away from the ball at the same rate as the ball falls — it is now in orbit (D). The orbit may be circular like (D) or if the firing velocity is increased even more, the orbit may become more (E) and more (F) elliptical. At a certain even faster velocity (called the escape velocity) the motion changes from an elliptical orbit to a parabola, and will go off indefinitely and never return. At faster velocities, the orbit shape will become a hyperbola. |
Date | 12 January 2005 (original upload date) |
Source | Transferred from en.wikipedia to Commons by Premeditated Chaos using CommonsHelper. |
Author | FrankH at English Wikipedia |
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Licensing
[edit]Public domainPublic domainfalsefalse |
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This work has been released into the public domain by its author, FrankH at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: FrankH grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.Public domainPublic domainfalsefalse |
Original upload log
[edit]- 2005-01-12 06:27 FrankH 409×396× (40492 bytes) Illustration of Orbits using Cannonballs
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:10, 28 January 2012 | ![]() | 409 × 396 (40 KB) | File Upload Bot (Magnus Manske) (talk | contribs) | {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Illustration of Orbits using Cannonballs I created this drawing myself - FrankH 06 |
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Horizontal resolution | 28.35 dpc |
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Vertical resolution | 28.35 dpc |