Question

calculate mass of earth .given g =9.8m/s2 ,Is =6370 km and G= 6.67×10^-11Nm^2/kg^2.​

Answer 1

Answer:

g=

R

2

GM

Given, G=6.67×10

−11

Nm

2

kg

−2

R=6.4×10

6

m

g=9.8ms

−2

∴M=

G

gR

2

=

6.67×10

−11

9.8×6.4×6.4×10

12

≈6×10

24

kg

# By this you can solve this question