Changes between Version 17 and Version 18 of SelfGravityDevel


Ignore:
Timestamp:
03/05/12 19:16:52 (13 years ago)
Author:
Baowei Liu
Comment:

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  • SelfGravityDevel

    v17 v18  
    88The electric field generated by a point charge [[latex($Q$)]] is
    99
    10  [[latex($E=\frac{1}{4\pi\epsilon_{0}}\frac{Q}{r}$)]]
     10 [[latex($E=\frac{1}{4\pi\epsilon_{0}}\frac{Q}{r^{2}}$)]]
    1111
    1212On the other hand, the gravitational acceleration by a point mass of [[latex($M$)]] is