Physics Unit1: Introduction Measurement & Estimating (id: dcdc240c9)

本题目来源于试卷: Physics Unit1: Introduction Measurement & Estimating，类别为 通用国际物理

[填空题]
A light-year is the distzgk ltud9y9 .+ancee tbx m5xll:)) light travels in one year (at speed = $2.998 \times 10^8 \; m$).
(a) How many meters are there in 1.00 light-year?    $\times 10^{15}$
(b) An astronomical unit (AU) is the average distance from the Sun to Earth, $1.50 \times 10^8 \; km$. How many AU are there in 1.00 light-year?   $\times 10^{4}$

参考答案:
空格1: 9.454±5%  空格2: 6.30±5% 


本题详细解析: 暂无

微信扫一扫，分享更方便