Saturday, March 20, 2010

Why are the days shorter?

Axis of the Earth after earthquake of ChileAxis of the Earth after earthquake of Chile was read in many means, that after the earthquake of Chile, the axis of rotation of the ground had moved (8 centimeters) and the days had been shy.

Really, this happened: the days after the earthquake of Chile are shorter. To be precise, there are 1.26 shorter microseconds (one microsecond is one millionth part of the second one).
So if you were one of those that one felt sickly, it is because the ground turns more rapid

Now well …

Why are the days shorter?

The short explanation would be the following one:

Them tectonic badges moved during the earthquake, this did that badges make themselves comfortable better and occupy less place: the Earth after the earthquake is more uniform and compact.
This did that the moment of inertia of the Earth diminishes and consequently the rotation speed increases: the days are shorter

So that it is understood better, a well-known example: If one day they saw someone who skates, they will see that when it turns and extends his arms, the moment of inertia increases and the draft speed diminishes. On the contrary, when it shrinks his arms and becomes “more uniform”, the moment of inertia diminishes and the draft speed increases.

The same happened to the Earth.

It was read in many means, which after the earthquake of Chile, the axis of rotation of the ground

it had displaced (8 centimeters) and the days had been shy.

Really, this happened: the days after the earthquake of Chile are shorter. To be

precise, are 1.26 shorter microseconds (one microsecond is one millionth part of

second).
So if you were one of those that one felt sickly, it is because the ground turns more rapid

Now well …

Why are the days shorter?

The short explanation would be the following one:

Them tectonic badges moved during the earthquake, this did that badges make themselves comfortable better and

occupy less place: the Earth after the earthquake is more uniform and compact.
This did that the angular moment of the Earth diminishes and consequently the speed of

rotation increases: the days are shorter

So that it is understood better, the angular moment depends on the form of the object that it is rotating.

If one day they saw someone who skates, they will see that when it turns and extends his arms,

draft speed diminishes. On the contrary, when it shrinks his arms and is done “more

uniform”, the angular moment diminishes and the draft speed increases.

The same happened to the Earth.

Why are the days shorter? it is a post of: DrGEN.com.ar

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