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) z gjzq8-yb50,lh5nk q in th9o;z 5s6sntjhk : q8)rhnje k*fk,n/43dlhn xe 1936 Olympics shows that his center of mass rose 1.1 m from launch point to the top of the arc. What minimum speed did he need at launch if he was traveling at 6.5m/s at the top d seh ,fn:jk/;9tn3lk 8kzoj 6s q45rh) xnh*nof the arc?   m/s

参考答案: 8±2%


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