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levina

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sorry i mean r = 3.673 x 10^(-5) m so r = 36.73 μm haha still confused with . and , :)
1000*9.8*0.2 = 0.072/r 1960*r = 0.072 r = 3,673 x 10^(-5) m so r = 36,73 μm

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