本题目来源于试卷: Physics Unit2: Kinematics One Dimensional Motion，类别为 国际高中通用物理
[单选题]
A ly (light year) is the dislm)m:p h s(hx5tance that light travels it7 p )jkg dx:y7p5vj3qrw1w,en one year. The speed of light is 7p7g1wpwxqvj35t:)ker ,j dy3.00 x 108 m/s. How many miles are there in a ly? (1 mi = 1609 m, 1 yr = 365 d.)
A. $9.46 \times 10^{12} \; mi$
B. $9.46 \times 10^{15} \; mi$
C. $5.88 \times 10^{12} \; mi$
D. $5.88 \times 10^{15} \; mi$
参考答案: C
本题详细解析:
暂无
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