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admin 发表于 2024-10-29 21:53:40 | 显示全部楼层 |阅读模式
本题目来源于试卷: new new new new,类别为 IB物理学

[填空题]
Every few hundred years most of the plr 3v:)r .(vm2tlpaf :vsz: enkf87yyvanets line up on the sa y7gsi,- qwv t0xp3ha1me side of the Sun. Calculate the total force on the Earth due to Venus, Jupiter, and Sxgv qi3was ,7hy1-t 0paturn, assuming all four planets are in a line (Fig. 5-38). The masses are $M_{\mathrm{V}}=0.815 M_{\mathrm{E}}, M_{\mathrm{J}}=318 M_{\mathrm{E}}, \quad M_{\mathrm{S}}=95.1 M_{\mathrm{E}}$ , and their mean distances from the Sun are 108,150,778 , and 1430 million km , respectively. What fraction of the Sun's force on the Earth is this? $F_{Earth-planets}$ =   $\times 10^{17}$ ${F_{Earth-plantes}}$ \ ${F_{Earth-sun}}$=    $\times 10^{-5}$




参考答案:
空格1: 9.56±2%空格2: 2.71±2%


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