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September 14, 2014

September 14, 2014

Posted by **Elbert** on Thursday, March 14, 2013 at 1:33pm.

A 2m length of board rests with one end on the floor and the other end on a small stack of bricks. A baseball is rolled up the board and back down again in a total of 4 seconds. The farthest the baseball reached on the board was 130cm.

- math -
**Henry**, Friday, March 15, 2013 at 7:54pmIncomplete.

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