PHY3063 R. D. Field Department of Physics Chapter2_17.doc University of Florida Time and GravityGravitational Time Dilation (approximate):Note the ∆t = T = 1/f (i.e.time transforms like 1/f). Hence ( )12122/)(1tcVVt∆−+≈∆and if V2< V1then ∆t2< ∆t1(i.e.time moves more slowly the lower the gravitational potential!). General Theory of Relativity: To get the exact answers one must do a real calculation using general relativity. The result is as follows: 122121222)/)(1(/21/211221tcVVtcVcVtcandVV∆−+→∆++=∆<<122121222)/)(1(/21/211221λcVVcVcVcandVV−+
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