Physics
Phil Frost
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37 Answers

Newest Activity Votes
69
Since cables carry electricity moving at the speed of light, why aren't computer networks much faster?
Aug 6 '14 at 12:28
55
Is this really a golden ratio spiral?
Jul 28 '14 at 11:42
50
Why does wavelength affect diffraction?
Jul 10 '14 at 18:45
42
Why are these periods the same: a low earth orbit and oscillations through the center of the earth?
Jul 11 '14 at 15:40
34
Is it possible to overload a lightning rod?
Jul 10 '14 at 20:38
29
Can a magnetic field exist without an electric field present?
Jun 26 '18 at 15:37
13
Are there any fluids that flow slower in a constricted region, unlike water?
Jul 24 '18 at 15:02
8
If visible light has more energy than microwaves, why isn't visible light dangerous?
Jan 7 at 20:16
8
When a planet has a high gravity, is it impossible to build and launch a successful chemical rocket to space?
Jul 11 '14 at 16:58
6
Batteries in series vs parallel
Jan 2 '17 at 17:05
5
Why does fire make very little sound?
Sep 7 '18 at 2:05
5
How does the speed of electrons change around a circuit?
Jul 11 '14 at 17:19
5
Why don't two musical instruments sometimes generate destructive interference?
Jun 2 '14 at 17:11
4
Maximum speed higher than the speed of light
Aug 9 '14 at 11:30
3
If centrifugal force isn't real then why am I being pushed on a merry go rournd?
Jun 26 '18 at 13:10
3
Speed of electrons in a current-carrying metallic wire: does it even make sense?
Feb 23 '18 at 17:04
3
Why is capacitance defined as charge divided by voltage?
Apr 28 '16 at 19:29
3
How does Ohm's law apply to superconductors?
Aug 18 '14 at 13:30
3
Light has a wave particle duality, how do we know?
Aug 7 '14 at 19:33
3
How are electromagnetic waves differentiated?
Aug 6 '14 at 21:07
2
Can friction be brought in to zero value by means of laboratory experiments?
Jul 21 '14 at 11:28
1
Is the energy of a $1$ Volt $300$ MHz EM wave greater than a low frequency $200$ V EM wave?
Jul 25 '18 at 18:47
1
Effects of Relativity on an Object in Circular Motion
Jun 30 '18 at 2:58
1
Why isn't my Hand repelled by a Current-carrying wire?
Sep 15 '16 at 1:06
1
Multimeter reading between wire & air
Mar 8 '15 at 22:03
1
How does Ohm's law apply to superconductors?
Aug 18 '14 at 14:47
1
Loopy lightning
Aug 11 '14 at 18:43
1
Acceleration in $F=ma$
Jul 13 '14 at 1:01
1
Surface charge in a wire?
Feb 11 '14 at 20:17
1
The workings of the Hall effect?
Feb 12 '14 at 16:24
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