Answers

2016-03-23T21:18:50+05:30
Both will come at the same time because in vacuum there is no gravity.in vacuum all the object's irrespective of their weight's and mass experience the same force of gravity

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2016-03-23T21:33:56+05:30
Iron ball and wooden ball both of them will come at the same time because in vacuum there is no gravity.and all objects  experience the same force of gravity as gravity is irrespective of the masses of objects
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