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What is the acceleration of Earth as it moves in its circular orbit around the S

ID: 1395072 • Letter: W

Question

What is the acceleration of Earth as it moves in its circular orbit around the Sun? Hint: You will find some useful date in the table below.
anwser in m/s2

     NAME MEAN
ORBITAL
RADIUS
(1011 m) ORBITAL
PERIOD
(years) RADIUS
(106 m) MASS
(1024 kg) ORBITAL
ECCENTRICITY      Mercury      0.579      0.240      2.44      0.330      0.21 Venus 1.08 0.615 6.05 4.87 0.007 Earth 1.50 1.00 6.37 5.98 0.017 Mars 2.28 1.88 3.39 0.644 0.093 Jupiter 7.78 11.9 71.5 1900 0.048 Saturn 14.3 29.4 60.3 568 0.054 Uranus 28.7 83.8 25.6 86.6 0.047 Neptune 45.0 164 24.8 102 0.009 Pluto 59.1 248 1.14 0.125 0.25 Eris 100 560 2.4

Explanation / Answer

Accelaration due to gravity of earth around the sun is independent of mass of earth

gE = G*Ms/r^2

G is universal gravitational constant

Ms is the mass of the sun = 1.99*10^30 kg

r is the mean orbital radius = 1.5*10^11 m

gE = (6.67*10^-11*1.99*10^30)/((1.5*10^11)^2) = 0.00589 m/s^2

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