1.

Oration due to gravity g: g, on the surface of two planets is 5: 2 and the ratio of theirrespective average densities e, , is 2:1. What is the ratio of respective escape velocities V, fromthe surface of the planets?(a) 5:2(b) V5: v2(c) 5:02(d) 25:4

Answer»

a) th is correct answer

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