On a certain planet the acceleration due to gravity is

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

On a certain planet the acceleration due to gravity is 3.7 m/s23.7\,\text{m/s}^2. The planet’s radius is 3.4×106 m3.4\times10^{6}\,\text{m}. Calculate the mass of the planet. (a) 6.4×1025 kg6.4\times10^{25}\,\text{kg} (b) 5.3×1023 kg5.3\times10^{23}\,\text{kg} (c) 6.4×1023 kg6.4\times10^{23}\,\text{kg} (d) 6.4×1022 kg6.4\times10^{22}\,\text{kg}

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