[問題] 大學物理問題
An arrow is shot into the air at an angle of 60 above the horizontal with a speed of 20m/s 1what are the x and y components of the arrow 3s after it leaves the bowstring? 2what are the x and y compoments of the displacement of the arrow during the 3s interval
第一題的答案是x=10m/s y=10√3-29.4m/s
第二題看不懂
麻煩各位大大解惑!
謝謝!
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 114.24.63.116
※ 編輯: laouwyn 來自: 114.24.63.116 (11/11 23:20)
→
11/12 00:02, , 1F
11/12 00:02, 1F
→
11/12 00:02, , 2F
11/12 00:02, 2F
→
11/12 01:49, , 3F
11/12 01:49, 3F
→
11/12 02:11, , 4F
11/12 02:11, 4F
討論串 (同標題文章)