Question

Acceleration due gravity on the moon is 1.67 m/s^2 . If the radius of the moon is 1.74*10^6m , then calculate the mass of the moon . Show the calculation

Answer 1

gm/r^2=1.67(given)

r given

6.67*10^-11*M/(1.74)^2*10^12=1.67

simplify this equation

M=0.75*10^23(approx)