Question

The mass of the planet Saturn is 568.2×10^24 kg. Express this mass in terms of solar mass.

Answer 1

Explanation:

Acceleration due to gravity,

g=G×

R

2

M

Mass, M=6×10

24

kg

Diameter = 12.8×10

3

km = 12.8×10

6

m

Radius, R=(12.8×10

6

)/2=6.4×10

6

m

Gravitational constant, G=6.7×10−11Nm

2

/kg

2

g=6.7×10

−11

×

(6.4×10

6

)

2

6×10

24

g=

6.4×6.4

6.7×60

g=9.8m/s

2

As the value of g=9.8m/s

2

, the planet could be Earth.

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