2 items are filed under this topic.
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How many ball bearings can you make from a cone? |
2009-03-14 |
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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 maths
Answered by Harley Weston. |
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Ball bearings in an oil can |
2007-12-03 |
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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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