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New Nit
Moment is linear in speed. Kinetic energy - the important factor - goes like the square.
New Dang.
I was going to say kinetic energy, then thought to myself, "nah, that's wrong. It's *moment* you want, Peter."

Thanks. A timely reminder to never listen to myself.
--
Peter
Shill For Hire
New Fun With K.E.
The formula for moving mass in relativity is

M = M0 / sqrt(1 - (v/c)^2)

If v is much less than c, then we can approximate this as

M = M0 ( 1 + (1/2)(v/c)^2 )

or

Mc^2 = M0c^2 + (1/2) M0 v^2

This statement says - the total of a body Mc^2 consists of a constant part M0c^2 plus a correction term (1/2) M v^2, which is just the Newtonian kinetic energy. This shows why it goes as a square and also where the factor of 1/2 comes from. The next correction term would involve v^4/c^2, then v^6/c^4 etc.
New Fun With K.E.
The formula for moving mass in relativity is

M = M0 / sqrt(1 - (v/c)^2)

If v is much less than c, then we can approximate this as

M = M0 ( 1 + (1/2)(v/c)^2 )

or

Mc^2 = M0c^2 + (1/2) M0 v^2

This statement says - the total energy of a body Mc^2 consists of a constant part M0c^2 plus a correction term (1/2) M v^2, which is just the Newtonian kinetic energy. This shows why it goes as a square and also where the factor of 1/2 comes from. The next correction term would involve v^4/c^2, then v^6/c^4 etc.
     more cameras UK this time - (boxley) - (10)
         I have to say... - (pwhysall) - (9)
             Ya know what, Pete...? - (jb4) - (4)
                 Pot, meet kettle. - (pwhysall) - (3)
                     No; actually you might try saying less - (jb4) - (1)
                         You were talking about freedom - (pwhysall)
                     Cackle.. Yup, we're ahead of ya in ovine insouciance :-\ufffd - (Ashton)
             Nit - (deSitter) - (3)
                 Dang. - (pwhysall) - (2)
                     Fun With K.E. - (deSitter)
                     Fun With K.E. - (deSitter)

The key; The whole key; And nothing but the key. So help me Codd.
70 ms