What is the acceleration of Mars as it moves in its circular orbit around the Su

Question

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


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

we can assume the orbital radius is circular for this calculation:
it is given as 2.28*1011

a = G * M.sun/R^2
G = 6.67x10^-11
so
a = 0.002555 m/s^2------>ANSWER

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