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admin 发表于 2024-10-13 22:07:53 | 显示全部楼层 |阅读模式
本题目来源于试卷: newnewnewnew,类别为 IB物理学

[填空题]
At the instant a race began,nor a8)fmp0 gekk33z0 a r0 6-izez11 vmbez/sn65$-\mathrm{kg}$ sprinter exerted a force of 720 N on the starting block at a 22$^{\circ}$ angle with respect to the ground. (a) What was the horizontal acceleration of the sprinter?    (Keep one decimal place)
(b) If the force was exerted for 0.32 s , with what speed did the sprinter leave the starting block?    (Keep one decimal place)




参考答案:
空格1: 1±2%空格2: 3.3±2%


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