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Physics Unit5: Circular Motion & Gravitation (id: dd8e8c8c9)

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admin 发表于 2024-2-5 20:31:42 | 显示全部楼层 |阅读模式
本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation,类别为 通用国际物理

[单选题]
For a spacecraft going from the Earth toward the Sun, at w2dn1x n+ky mww6gf8n +hat distanybnoiy ;6r2r) ce from the Earth will the gravitational forces due to the Sun and try)2y6 bior;n he Earth cancel?
Earth's mass: Me = $5.98 \times 10^{24} \; kg$ the Sun's mass: Ms = $1.99 \times 10^{30} \; kg$
Earth-Sun distance: r = $1.50 \times 10^{11} \; m$

A. $1.30 \times 10^{8} \; m$
B. $2.60 \times 10^{8} \; m$
C. $1.30 \times 10^{10} \; m$
D. $2.60 \times 10^{10} \; m$


参考答案:  B


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