![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
水星绕太阳运行轨道的近日点到太阳的距离为
,远日点到太阳的距离为
(引力常数G取
,太阳的质量取
),则水星越过近日点和远日点时的速率v1和v2分别为
A.59100 m/s, 38800 m/s
B.63100 m/s, 38800 m/s
C.59100 m/s, 43800 m/s
D.63100 m/s, 43800 m/s
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_q_ckda.png)
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_q_wyda.png)
- · 有8位网友选择 D,占比72.73%
- · 有1位网友选择 C,占比9.09%
- · 有1位网友选择 B,占比9.09%
- · 有1位网友选择 A,占比9.09%