Skip to content

Categories:

範例:功能定理與行星運動

如右圖,行星以橢圓形軌道繞太陽S運行,若在距太陽2R之遠日點A時動能為E,近日點B距太陽R,如忽略其他星體的影響,則關於行星繞日,下列敘述何者正確? (A)對太陽而言,行星在A,B兩點之角速率比為1:2 (B)A,B兩點之向心加速度大小比為1:4 (C)A,B兩點之動能比為1:4 (D)A,B兩點的動量大小比為1:1 (E)AB點繞行半週時間內,太陽對其作功3E [84華江]
[詳解]

相關文章:

Posted in 動能與功能定理.

Tagged with , , , .


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.



13 visitors online now
7 guests, 5 bots, 1 members
All time: 479 at 08-18-2020 08:10 pm UTC
Max visitors today: 52 at 12:17 am UTC
This month: 145 at 11-03-2024 07:36 pm UTC
This year: 259 at 08-23-2024 08:56 pm UTC