All Questions
Tagged with earth rotational-dynamics
72
questions
4
votes
2
answers
1k
views
Can a Storm make the day longer/shorter?
I've read that changes in jet streams can affect the speed that the Earth rotates on its axis, thus making the day longer or shorter?
- 2,983
40
votes
6
answers
9k
views
How can the Earth keep spinning with a liquid core?
In regards to the 'conservation of angular momentum' being the explanation of why celestial objects spin...
If you fill a ball or any other container with a liquid and try to spin it, you will not ...
- 409
13
votes
4
answers
21k
views
Why does the Coriolis effect disappear at the equator?
I'm studying from the book "Classical Mechanics" by Goldstein and from a coursebook my Professor provided me.
In the coursebook, it says that "the Coriolis effect disappears at the equator (Where ...
- 1,373
21
votes
3
answers
11k
views
How quickly was the Earth rotating 250 million years ago?
The Earth is slowing at a rate of $4.7\times10^{-4}$ miles per second every 100 years due to tidal forces of the moon.
See:
http://en.wikipedia.org/wiki/Earth%27s_rotation
http://imagine.gsfc.nasa....
- 311
2
votes
0
answers
73
views
Computing Latitude Given Quiescent Gyroscope Data
Suppose I place a gyroscope in a theoretically perfectly quiescent, closed room. Let its output be given as a vector ${\bf v} = (v_x, v_y, v_z)$ indicating rate of rotation around three orthogonal ...
- 223
2
votes
2
answers
1k
views
Does trade affect Earth's rotation? [duplicate]
Every country is trading with other countries around the world, some more than others. I was wondering if there would be any change to the Earth's rotation because of the imbalance of trade between ...
- 39
15
votes
1
answer
1k
views
What is the evidence for the super-rotation of Earth's inner core?
What are the geophysical observations that support (or contradict) the hypothesis that the Earth's inner core rotates at a faster rate than the Earth's mantle?
Summary of Answers:
1) Studies of ...
- 3,905
56
votes
8
answers
44k
views
Proof that the Earth rotates?
What is the proof, without leaving the Earth, and involving only basic physics, that the earth rotates around its axis?
By basic physics I mean the physics that the early physicists must've used to ...
- 563
8
votes
2
answers
4k
views
Huge buildings affect Earth's rotation?
Does constructing huge buildings affect the rotation of the Earth, similar to skater whose angular rotation increases when her arms are closed comparatively than open?
- 415
1
vote
1
answer
386
views
Earth is rotating [duplicate]
Possible Duplicate:
Why does the atmosphere rotate along with the earth?
If i take off from land on a helicopter straight above the earth surface to a certain height and stay there for few mins/hours ...
- 13
0
votes
1
answer
2k
views
Deducing latitude from Foucault Pendulum
Suppose I set up a Foucault pendulum and observe that it precesses at a rate of 216.528 degrees per day. While I am observing this, a total solar eclipse occurs. Where am I, and what is the date?
My ...
- 751
2
votes
4
answers
336
views
Does Earth's rotation change at a constant rate?
Follow-up to
Is Earth's orbit altered by recoil from take-off/launch/recovery of aero/space vehicles?
How much meteoric/space dust does the moon accumulate daily?
Is the length of the day ...
- 4,723