If you know the precise direction and velocity at which a shot put leaves an Olympic athlete 's hand, you can use a linear equation to accurately forecast how far it will fly.

如果你知道了铅球的精确方向以及它在离开奥运会运动员的手时速度的大小，那么你就可以用一个线性方程去精确地预测它能飞多远。

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Kim Minett was fourth in the women's F40 shot put final and Karen Lewis Archer seventh in the women's T52 200m final.

BBC: SPORT | Other Sport | Paralympics | Roberts leads golden haul

Steven Fletcher's powerful shot put Burnley ahead on 21 minutes after he controlled Brian Jensen's long ball.

BBC: Barnsley 3-2 Burnley

Grant Holt headed the equaliser and then Anthony Pilkington's deflected shot put Norwich ahead.

BBC: Swansea 2-3 Norwich