本题目来源于试卷: Physics Unit1: Introduction Measurement & Estimating，类别为 通用国际物理
[单选题]
A person stands 35.0 m from a flag pole. With a p4 qlk+km:jq y;rotracdvx1btzr q ofobwsa0xj 0t.l +nbl/z-5);4f:tor at eye level, he finds that the angle at the top of the flag pole makes with the horizontal is 25.0 degrees. How high is the fb541borqt s:j l;lad/+0w xo.zfb-xz )f v0ntlag pole? (The distance from his feet to his eyes is 1.7 m.)
A. $16 \; m$
B. $18 \; m$
C. $20 \; m$
D. $24 \; m$
E. $30 \; m$
参考答案: B
本题详细解析:
暂无
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