Asked by Pat

Compute the angular momentum of the earth arising from the following motions.
(a) Earth's orbital motion around the sun.
(b) Earth's rotation on its axis.

Answers

Answered by Pat
also include the units please. im not sure if i have the right answer because the site tells me my units are wrong, so for all i know i have the right answer but i cant tell
Answered by Elena
(a) L1 = M•v•R =
Earth’s mass is M = 5.97•10^24 kg,
R= 1.5•10^11 m (Earth-Sun)
v=ω•R=2•π•n•R
n=1 rev/year =1/365•24•3600 rev/s
L1 = M•v•R = M•2πn•R²= …(kg•m²/s)

(b)
Earth’s radius is r = 6.378•10^6 m.
n= 1rev/day =1/24•3600 rev/s
L2 = I•ω1= (2•M•r²/5) •2•π•n•r= …(kg•m²/s)
Answered by clouds
ok that's correct
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