What would happen if the mass of earth were to decrease by a factor of 3 but its radius stays the same. What would become of the force of gravity that is experienced on its surface? a) it would be 1/9th of present day value b) it would be 1/3rd of present day value c) it would be 1/6th of present day value d) it would stay the same

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Q: v =  d T =  2πr T =  2π(4.23 ✕ 107 m) 8.64 ✕ 104 s = 3.08  103 m/s LEARN MORE REMARKS Earth's motion…

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A: The planet's mass is, m=5×1024 kg The planet's radius is, r=4000 km=4000×103 m