2
votes
Why are they integrating from infinity to $r$ in the derivation of GPE formula?
There is no rule that the upper limit should be larger than the lower limit of the integal. For the case of work, the choice of limits simply tells you for what motion is the work calculated. The ...
- 8,182
1
vote
Accepted
If I drop a rock on the Sun, does it fall right to the center?
I am assuming this is a special rock, a fiducial rock--if you will (note: fiducial masses don't care about the environment other than that for which they are created--that is: fiducial masses care a ...
- 37k
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