[問題] 兩個物理問題
第一題
一自由落體,在落地前的30.0m需時1.50秒。請問此物從距地面多高處落下?
第二題
一球垂直上拋,2.00秒後被接住。求(a)球的初速;及(b)球到達的最大高度。
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噓
10/09 01:17, , 1F
10/09 01:17, 1F
噓
10/09 01:42, , 2F
10/09 01:42, 2F
→
10/09 01:44, , 3F
10/09 01:44, 3F
→
10/09 01:45, , 4F
10/09 01:45, 4F
噓
10/09 02:07, , 5F
10/09 02:07, 5F
→
10/09 02:09, , 6F
10/09 02:09, 6F
→
10/09 02:56, , 7F
10/09 02:56, 7F
→
10/09 02:56, , 8F
10/09 02:56, 8F
→
10/09 03:18, , 9F
10/09 03:18, 9F
→
10/09 03:19, , 10F
10/09 03:19, 10F
推
10/09 03:31, , 11F
10/09 03:31, 11F
→
10/09 03:34, , 12F
10/09 03:34, 12F
→
10/09 03:36, , 13F
10/09 03:36, 13F
→
10/09 03:36, , 14F
10/09 03:36, 14F
→
10/09 03:39, , 15F
10/09 03:39, 15F
噓
10/09 04:55, , 16F
10/09 04:55, 16F
噓
10/09 05:01, , 17F
10/09 05:01, 17F
→
10/09 10:26, , 18F
10/09 10:26, 18F
推
10/09 16:52, , 19F
10/09 16:52, 19F
→
10/09 16:53, , 20F
10/09 16:53, 20F
→
10/09 16:54, , 21F
10/09 16:54, 21F
噓
10/09 19:00, , 22F
10/09 19:00, 22F
噓
10/10 20:36, , 23F
10/10 20:36, 23F
→
10/10 20:37, , 24F
10/10 20:37, 24F
推
10/10 20:59, , 25F
10/10 20:59, 25F
→
10/10 21:12, , 26F
10/10 21:12, 26F
→
10/11 23:22, , 27F
10/11 23:22, 27F
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