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Feb
12
reviewed Approve Inductance coil with self-inductance and resistance
Nov
27
reviewed Approve Tension at different points of a string during vertical circular motion
Nov
27
awarded  Custodian
Nov
27
comment How to reduce surface tension of water?
The first idea that comes to mind is putting some drops of soap or detergent in the water.
Nov
27
reviewed Approve Tension at different points of a string during vertical circular motion
Oct
7
awarded  Famous Question
Aug
2
awarded  Yearling
Mar
9
awarded  Notable Question
Nov
27
comment Why does rotation simulate gravity if motion is relative?
Special relativity is well-equipped to handle accelerating, non-inertial reference frames, while admittedly leaving out gravitational effects. See here.
Oct
31
awarded  Informed
Oct
26
comment Changing momentum of moving trolley
Keep in mind that if the trolley was leaking water out of the bottom, the water wouldn't fall perpendicular to that plane. Rather, the water droplets would keep moving forward with velocity $v$.
Sep
24
comment Why isn't the electric field just a mathematical tool?
Related physics.stackexchange.com/q/80912
Sep
15
revised What exactly does the Hamiltonian operator tell us?
Removed thank you note
Sep
15
suggested approved edit on What exactly does the Hamiltonian operator tell us?
Aug
24
awarded  Notable Question
Aug
22
comment why does the optical media have different refractive indices?
@Floris I believe Pertunia is using the definition found here: physicsclassroom.com/class/refrn/Lesson-1/…
Aug
14
awarded  Custodian
Aug
14
reviewed Reviewed Why can't classical information be transmitted through quantum entanglement by measuring time between change events?
Aug
2
awarded  Yearling
Jul
28
awarded  Custodian