What is the mass of Earth expressed in terms of surface gravity g, Earth radius R and gravitational constant G?
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What is the mass of Earth expressed in terms of surface gravity g, Earth radius R and gravitational constant G?

G1 Physics · Accepted Answer

Step 1: From g=GM/R², solve algebraically for M. Step 2: Multiplying by R²/G gives M=gR²/G. Final answer: B — gR²/G.