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 from2n f;fxlub( 1y a ij olv jex5o .4 .tu9taj(2:4pia,pxpflag pole. With a protractor at eye level, he finds that the angle at the top of the flag pole makes with the horizontal is 25.0 degrees9lt pupj : .j4p2,.itx(avo5 axj ei4o. How high is the flag 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:
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