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Mathematics, 15.12.2019 19:31 toriflaherty

Planet krypton has 2 times the radius and 2 times the mass of the earth. what is the best estimate for the magnitude of the gravitational field at the surface of planet krypton in m/s2?
a. 20m/s^2
b. 10m/s^2
c. 5m/s^2
d. 2.5m/s^2

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