本题目来源于试卷: 555566667777888，类别为 unclassified
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[单选题]
A jumper in the long-jump goes in4djsux+ c(0 x n4frxms)d/v6 vto the jump with a spei /l;e,.6 e:s nlfj:ce:xq b( ay5rgpc/grtn2ed of 12 m/s at an angle oferc(jpl .lan eqbty; sg6x:gc//e ,:ni5f r2: $20^{\circ}$ above the horizontal. How far does the jumper jump?
A. $6.14 \; m$
B. $8.22 \; m$
C. $9.45 \; m$
D. $10.4 \; m$
E. $12.28 \; m$
参考答案: C
本题详细解析:
暂无
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Post time 2025-9-8 22:24:32