Question

Escape velocity of an atmospheric particle which is 1000 km above the earth's surface, is (radius of earth is
6400 km and g = 9.8 m/s2)
(1) 6.5 km/s
(2) 8 km/s
(3) 10 km/s
(4) 11.2 km/s

Answer 1

Answer:

(3) 10 km/s

Explanation:

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