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Apr
12
reviewed Approve A point between two charges has an electric potential of zero, but a charge placed at this point will gain kinetic energy. Why?
Mar
19
awarded  Yearling
Feb
9
reviewed Edit Archimedes Principle
Feb
9
revised Archimedes Principle
mispelled word
Dec
9
reviewed Approve How does friction act in rolling motion?
Dec
4
comment Can a prism have a square cross section?
A prism is a prism. A rectangle is a rectangle.
Dec
4
reviewed Edit Can a prism have a square cross section?
Dec
4
revised Can a prism have a square cross section?
title corrected
Dec
4
reviewed Approve Relativistic acceleration in sinusoidal electric field
Dec
3
revised Why do particles in the molten wax near a burning candle wick get pushed away?
added 30 characters in body
Dec
3
reviewed Approve Why is the equivalence principle so important to general relativity?
Dec
3
revised Why do particles in the molten wax near a burning candle wick get pushed away?
deleted 93 characters in body
Dec
3
revised Why do particles in the molten wax near a burning candle wick get pushed away?
added 267 characters in body
Dec
3
answered Why do particles in the molten wax near a burning candle wick get pushed away?
Nov
13
awarded  Nice Question
Nov
9
asked How to find the focal spot size of a TEM 33 mode laser
Oct
14
reviewed Approve Lagrangian isn't unique
Oct
10
revised Reading about liquid propellant rocket design
edited tags
Oct
9
asked Reading about liquid propellant rocket design
Oct
4
reviewed Edit Why does the water level go down when a dense object is moved from a boat to the bottom of the pool