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Quandaries & Queries
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 Topic: ball bearings
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 How many ball bearings can you make from a cone? 2009-03-14 From Vatsal:there is a sum in my maths book which states the following: how many ball bearings of diameter 2.5 cm. can you get by melting a solid metalic cone of radi. 20cm and a Hight of 5 meters? how do i do this please tell me even the minute things like cancellatoins and where to use = , ; or any such thing because Im a bit weak in mathsAnswered by Harley Weston. Ball bearings in an oil can 2007-12-03 From Lisa:One hundred ball bearings with radius 5 mm are dropped into a cylindrical can, which is half full of oil. The height of the cylinder is 20 cm and the radius is 8 cm. By how much does the level of the oil rise?Answered by Stephen La Rocque.

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