palaphys's latest activity
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palaphys reacted to kuruman's post in the thread Missile with Coriolis force, air resistance and variable gravity with
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Why is gravity in the ##\mathbf{\hat k}## direction? Don't forget that the Earth is approximated as a perfect sphere and "up" is the... -
palaphys reacted to div_grad's post in the thread Electrostatics - given V, find rho and Q with Like.
@Rick16 The way you calculated divergence is correct when you assume that ##r \neq 0##, but this means that you have to exclude the...
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palaphys replied to the thread Announcement PF Style 2026.looking better