Rotational KE of Earth
- From: BretCahill@xxxxxxxxxxxx
- Date: Wed, 19 Mar 2008 22:25:16 -0700 (PDT)
Before we start extracting kinetic energy from the earth's rotation
and upset anyone's 24 hr. sleep cycle, we need to double check some
calculations.
First we'll need the density, mass, volume and centroid of the
earth.
If the radius is 4000 miles or 6 million meters, then the vol. is
216,000,000,000,000,000,000 million m^3.
(Check the order of magnitude.)
According to Zarathustra the heart of the earth is of gold.
The mass is therefore, 3,000,000,000,000,000,000,000,000 kg.
(Check the order of magnitude.)
Omega = 0.00007/sec
KE = 1/2 m (R omega)^2 =
100,000,000,000,000,000,000,000,000,000 (some units maybe joules).
OK let's do it!
Bret Cahill
.
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