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> Making Levitation AWESOME., Trade weight for speed, and vice versa.
Edward
post Jun 11 2006, 03:58 PM
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QUOTE (Austere Emancipator)
after the first application of The Force, A had a velocity of 1d/t, and kinetic energy equal to 0.5 x 1m x (1d/t)^2 = 0.5md^2/t^2.

with the second application of force, Object A gained 1.5 units of kinetic energy.


Much sniping above

How can 2 applications of the same force for the same time result in different changes to energy.

That is my problem.

As to lifting the arcology. It only has an OR of 3 or 4. Any competent magician will be able to lift it.

Edward
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Austere Emancipa...
post Jun 11 2006, 04:24 PM
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The same force, different applications.

Let's assume The Force is/has a force of 1md/t^2. When it accelerates Object A, with mass 1m, to a velocity of 1d/t, it does 0.5md^2/t^2 of work -- The Force is applied on Object A for a distance of 0.5d -- increasing Object A's kinetic energy from 0md^2/t^2 to 0.5md^2/t^2. When it accelerates Object A from 1d/t to 2d/t, it does 1.5md^2/t^2 of work, applying 1md/t^2 of force on Object A for a distance of 1.5d, increasing the kinetic energy of Object A from 0.5md^2/t^2 to 2md^2/t^2.

And, again, it would be better to resolve these issues of yours with a physics teacher than someone who almost flunked high school physics on an RPG forum.
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Shrike30
post Jun 12 2006, 06:23 PM
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Two applications of the same amount of force to objects with different masses will result in a matching change in momentum, not energy. Energy's relation to mass is geometric, but it's relation to velocity is exponential (as I laid out about 3 posts ago). If you don't buy this, I suggest taking some physics courses or looking it up online. Wikipedia has a decent article on this.
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