Question

the radius of the circular orbit of earth revolving around the sun is 1.5x10^8 km, orbital speed of earth is 30km/s, calculate the mass of sun​

Answer 1

Explanation:

Force exerted by sun of earth =MW2R

given M=6×10

24

kg

W=2×10

−7

rod/s

R=1.5×10

8

km

F=(6×10

24

)(2×10

−7

)2(1.5×10

8

×10

3

)

=36×10

21

N