1.

Two stars of masses 3×1031 kg each, and at distance 2×1011 m rotate in a plane about their common centre of mass O. A meteorite passes through O moving perpendicular to the star 's rotation plane. In order to escape from the gravitational field of this double star, the minimum speed that meteorite should have at O isTake Gravitational constant G=6.67×10−11 Nm2 kg−2)

Answer»

Two stars of masses 3×1031 kg each, and at distance 2×1011 m rotate in a plane about their common centre of mass O. A meteorite passes through O moving perpendicular to the star 's rotation plane. In order to escape from the gravitational field of this double star, the minimum speed that meteorite should have at O is



Take Gravitational constant G=6.67×1011 Nm2 kg2)



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