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 Yearling
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Jan
6
reviewed Approve moment of inertia when a shape is cut
Jan
4
awarded  Yearling
Jan
3
reviewed Reject The source of work by gravity force
Jan
3
comment Composite bar in series paradox
-1 for extreme laziness of just posting a picture. If you don't care to take the time to write it out neatly (such that it is editable), why do you expect us to spend time on your question? This is insulting.
Jan
3
reviewed Reject What happens to the electron density in a metal during an electric discharge?
Jan
3
reviewed Reject The use of real numbers in measurements in physics?
Jan
3
reviewed Reject Sign of elastic potential from a spring
Dec
31
revised Driving on the moon
Removed obsolete statements
Dec
31
reviewed Approve What is the relationship between liquid-gas expansion pressure and surface area to volume ratio?
Dec
31
reviewed Reject Applied forces on a bridge
Dec
31
reviewed Approve How is inertial mass different from gravitational mass?
Dec
29
reviewed Reject What is the difference between weight and mass?
Dec
29
reviewed Approve Mechanical Waves
Dec
29
comment It's about capillary rise of water
You will not get a vacuum, so the one with the strongest capillary force will rise, the other one will go down.
Dec
29
comment It's about capillary rise of water
@Quark That is a bit of a different, but interesting question. If beaker is capillary size, but still larger, it's water level will still diminish. You will see that the water level in the small capillary will rise, but not as much. Try making a diagram, consider hydrostatic pressure, and the pressure drops across both menisci. Take into account that ambient pressure is the same for both. (Another interesting experiment is when you close either of the capillary).
Dec
29
reviewed Approve Sum rule in X-ray Photoelectron Spectroscopy (XPS)
Dec
29
answered It's about capillary rise of water
Dec
29
reviewed Reject wind load (force exerted) on canopy area
Dec
29
reviewed Reject How big bang could produce later collisions
Dec
28
reviewed Approve Which information is “destroyed” when a qubit is read?