Test Academy | The escape velocity from the earth is about 11km /s . The escape velocity from a planet having twice the radius and the same mean density as the earth, is 22 km/s, 11 km/s, 5.5 km/s, 15.5 km/s

Question

The escape velocity from the earth is about 11km /s . The escape velocity from a planet having twice the radius and the same mean density as the earth, is

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