Re: [問題] 高中物理2題 求解釋觀念？
之前問過學校老師的想法
除了上一篇K大的想法 老師也提供另一種想法
由理想氣體方程式PV=nRT
由於P=nRT/V 並不是時間的函數 也就是P與t無關
那們也就是不管是一瞬刻或是一段時間內的壓力均相等
壓力相等作用在等大的面積上那們表示作用力也相等
也就是說不管再哪一時刻受力都相等 那麼平均力也就等於瞬時力了
所以去取碰撞器璧的時間的動量變化可以用取一段時間的動量變化來取代
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 211.74.122.143
→
12/21 13:01, , 1F
12/21 13:01, 1F
→
12/21 16:10, , 2F
12/21 16:10, 2F
→
12/21 16:12, , 3F
12/21 16:12, 3F
→
12/21 16:27, , 4F
12/21 16:27, 4F
→
12/21 16:30, , 5F
12/21 16:30, 5F
→
12/21 16:33, , 6F
12/21 16:33, 6F
→
12/21 17:02, , 7F
12/21 17:02, 7F
→
12/21 17:03, , 8F
12/21 17:03, 8F
→
12/21 17:03, , 9F
12/21 17:03, 9F
→
12/21 17:08, , 10F
12/21 17:08, 10F
→
12/21 20:05, , 11F
12/21 20:05, 11F
→
12/21 20:06, , 12F
12/21 20:06, 12F
→
12/21 20:24, , 13F
12/21 20:24, 13F
→
12/21 21:49, , 14F
12/21 21:49, 14F
→
12/21 21:51, , 15F
12/21 21:51, 15F
推
12/21 23:08, , 16F
12/21 23:08, 16F
→
12/21 23:08, , 17F
12/21 23:08, 17F
→
12/21 23:09, , 18F
12/21 23:09, 18F
→
12/21 23:10, , 19F
12/21 23:10, 19F
→
12/21 23:10, , 20F
12/21 23:10, 20F
→
12/22 00:08, , 21F
12/22 00:08, 21F
→
12/22 00:09, , 22F
12/22 00:09, 22F
→
12/22 00:33, , 23F
12/22 00:33, 23F
→
12/22 00:34, , 24F
12/22 00:34, 24F
推
12/22 00:41, , 25F
12/22 00:41, 25F
→
12/22 00:42, , 26F
12/22 00:42, 26F
→
12/22 00:42, , 27F
12/22 00:42, 27F
→
12/22 00:43, , 28F
12/22 00:43, 28F
→
11/09 10:38, , 29F
11/09 10:38, 29F
→
01/02 14:16,
7年前
, 30F
01/02 14:16, 30F
→
07/06 21:34,
6年前
, 31F
07/06 21:34, 31F
討論串 (同標題文章)
完整討論串 (本文為第 4 之 7 篇)：
問題
7
24