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.
(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)
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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