In oct.nov 2005 Q4) a ii) after counting the small squares under the curve how do we proceed?
http://www.xtremepapers.com/CIE/International A And AS Level/9702 - Physics/9702_w05_qp_2.pdf
http://www.xtremepapers.com/CIE/International A And AS Level/9702 - Physics/9702_w05_qp_2.pdf