Could you pass the qualifying exam for the (high school) USA Physics Olympiad team? Try out this problem that I wrote for last year's exam:pic.twitter.com/w4QXsgOfzS
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slightly nerd sniped .. at least i remembered enough electrostatics to get the setup( Δy = d_0 - y ) .. pretty sure i gotta use F= -k Δy in here to introduce k when i set V = V_{th}pic.twitter.com/yQpA6N20SH
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nice fun problem
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You didn't get the answer though
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