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| View Original: | Billiards half-ball striking diagram.png (1161x851) | |||
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| Keywords: Billiards half-ball striking diagram.png Created by me in Macromedia Flash Note that the angle imparted on the object ball relative to the direction of momentum of the cue ball is the angle between a line drawn from the centre of the cue ball through the centre of the object ball at the moment of contact and a line drawn from the centre of the cue ball in the direction of its momentum before contact occurs The angle is trivially calculated by noting that the hypotenuse of the black triangle in the diagram is 2 radii of either ball assuming equal sized balls and the length of the side opposite to the angle in question is 1 radius thus the angle is given by the inverse sine of ½ which is 30° If anyone requires or desires the original vector file with which to expand upon or in any way modify the image from the source file feel free to send me a message en wikipedia P o l o commons 2008-05-27 Yoimjamie wikipedia en Yoimjamie original upload log page en wikipedia Billiards_half-ball_striking_diagram png 2008-05-27 04 28 Yoimjamie 1161×851× 24145 bytes <nowiki>Created by me using Macromedia Flash</nowiki> 2008-05-27 04 13 Yoimjamie 1159×851× 23864 bytes <nowiki>Created by me in Macromedia Flash </nowiki> Billiard techniques | ||||
