# One can easily ” weight the earth ” by calculating the mass of earth using the formula

Q: One can easily ” weight the earth ” by calculating the mass of earth using the formula (in usual notation)

(a) $\frac{G}{g}R_E^2$

(b) $\frac{g}{G}R_E^2$

(c) $\frac{G}{g}R_E$

(d) $\frac{G}{g}R_E^3$