Projectile
2007-08-19 10:11 am
Doug Wright drives a golf ball from his tee on level ground. The ball just clears the top of a tree which is 15m high and is 30m from the tee. The ball continues and lands directly in the cup (a hole-in-oe) which is 180m from the tee. Calculate the initial speed of the ball. Answer in m/s.
回答 (1)
2007-08-19 10:30 am
✔ 最佳答案
As follows:圖片參考：http://i117.photobucket.com/albums/o61/billy_hywung/Aug07/Angel6.jpg
圖片參考：http://i117.photobucket.com/albums/o61/billy_hywung/Aug07/Angel7.jpg
參考: My physics knowledge
收錄日期: 2021-04-23 17:14:43
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070819000051KK00592