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JEE Main 8 Apr 2019 Paper 1 Solved Paper

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Question : 1

Total: 91

Four identical particles of mass M are located at the corners of a square of side ‘a’. What should be their speed if each of them revolves under the influence of others’ gravitational field in a circular orbit circumscribing the square?

1.21√
GM
a
1.41√
GM
a
1.16√
GM
a
1.35√
GM
a

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