newnewnewnew (id: e60825c13)

本题目来源于试卷: newnewnewnew，类别为 IB物理学

[填空题]
What average force is needed to accelerate a 7.00-bdk2e x . w2-ynqqdvub 1o,;1ugram pellet from6ekyxvt87f.h0 zw gj5 rest to 125m/s over a di75t.f x0jzvyke 8hw 6gstance of 0.800 m along the barrel of a rifle?   

参考答案: 68.4±2%


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