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seen Apr 28 at 17:35

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accepted Minimum Distance for “Speed of Light Approach”
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asked Minimum Distance for “Speed of Light Approach”
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comment Electrostatics - Inserting a brass plate between two charges
I think both the terms fit, the plate is "polarized" while charges are "induced" in the plate.
Jul
8
revised Electrostatics - Inserting a brass plate between two charges
added 14 characters in body
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revised Electrostatics - Inserting a brass plate between two charges
added 211 characters in body
Jul
8
answered Electrostatics - Inserting a brass plate between two charges
Jul
4
comment Image formation (lenses)
I believe that formula is given without considering the conventional directions that you have assumed, which is why you are getting the incorrect answer.
Jul
4
comment Image formation (lenses)
Your formula is wrong, there is a minus sign between the first and second terms! The formula you have used isfor a mirror.
Jul
2
awarded  Curious
Jun
30
comment How quickly should a fluid come to hydrostatic equilibrium?
I think that's quite innovative (I never would have thought of the pressure wave part)! Since gravity is non-impulsive, for its absence to be felt by the liquid should take 4-6 microseconds (theoretically an infinitesimal amount of time, delayed by viscosity and surface tension). So, .5 seconds is really a long time compared to the distension period.
Jun
30
comment Weird Kinematics Homework
Happens to me all the time :)
Jun
30
comment Weird Kinematics Homework
Find 'x' using the height and 35°, next calculate the time taken to reach the gutter taking gravity into consideration. Finally, use the time and the value of 'x' to get the horizontal velocity which is constant. I sometimes find that these supposedly long and complicated problems have the simplest solutions. Let me know if it works!
Jun
29
asked Variation of Electrostatic Potential with Distance in a Uniform Field
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28
awarded  Popular Question