gc physics textbook chapter 6 problems (id: 21b9877b5)

本题目来源于试卷: gc physics textbook chapter 6 problems，类别为 IB物理学

[填空题]
A film of Jesse Owens’s famous long jump (Fig. 6–42) in the 1936 Olrpgu25x v8c9*)ahi.8 gihnb 22p suil ympics sp.( dw7nt2lw ihows that his center of mass rose 1.1 m from launch point to the top of the arc. What minimum speed did h(2tw lnid p.w7e need at launch if he was traveling at 6.5m/s at the top of the arc?   m/s

参考答案: 8±2%


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