Skip to content
Categories:

範例:行星系統與脫離能(脫離速度)

欲自地面(地球半徑為R,質量為M,地表重力場為g)發射一質量為m之人造衛星,使它完全脫離地球,則需要之 (A)最小能量(脫離能)為mgR (B)最小能量(脫離能)為 MgR (C)最小能量(脫離能)為GMm/R  (D)脫離速度為 (E)脫離速度為。


[詳解]

相關文章:

Posted in 重力位能的一般式.

Tagged with , , .

rev="post-1140" No comments

By admin – 2009 年 05 月 01 日

0 Responses

Stay in touch with the conversation, subscribe to the RSS feed for comments on this post.

You must be logged in to post a comment.

« »
40 visitors online now
29 guests, 10 bots, 1 members
All time: 479 at 08-18-2020 08:10 pm UTC
Max visitors today: 87 at 12:20 am UTC
This month: 222 at 07-01-2024 11:54 pm UTC
This year: 222 at 07-01-2024 11:54 pm UTC