Thread: Speed
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Old 04-July-2008, 07:52 PM
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Quote:
Originally Posted by m1omg View Post
How to calculate the speed to which you will accelerate something if you apply some amount of energy?
E=(gamma)mc^2

where E is total energy (rest mass energy plus kinetic)

Gamma is the lorentz factor (1/sqrt(1-v^2/c^2))

m is mass
c is speed of light in vaccum
v is object velocity

As a very crude estimate to answer the OP, if you have E=10^69 J then the velocity of your object is on the order of 10^-60 m/s slower than the speed of light.
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