1107 Empty Newton’s tube

1107

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1107 Empty Newton’s tube

Inside this tube there is a sufficient vacuum, It contains a ball and a feather. 
Making them fall together from one end, it is observed that they reach the bottom of the tube at the same time, indeed the acceleration of gravity is independent of the mass of the body. It is made of glass; It doesn’t have air inside, but a feather and a wooden ball.
Length: 1 mt.
Made of glass.

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