An astronaut in space is away from his spaceship how can he return to

1.	An astronaut in space is away from his spaceship how can he return to his spaceship
Answer» An astronaut can\'t swim in space because there is no air to push against such that he will move forward. But if he throws a heavy object with a large force in the opposite direction in space, an equal and opposite force will act on him (Newton\'s 3rd Law of Motion) and he\'ll move in the other direction, towards the spaceship. Because there is a type of tubular structure is connected to the spaceship which will prevent astronaut from going Easily he will swimm..and will reach the spaceship...????

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