angle(s) should the nozzle point in order that the water land 2.0m away? Why are there two different angles?
更新1:
then what are the angles?
physics---projectile
2008-09-11 8:18 pm
A fire hose held near the ground shoots water at a speed of 6.5m/s. At what
angle(s) should the nozzle point in order that the water land 2.0m away? Why are there two different angles?
angle(s) should the nozzle point in order that the water land 2.0m away? Why are there two different angles?
回答 (2)
2008-09-11 10:26 pm
✔ 最佳答案
The answer is as follows:圖片參考：http://i277.photobucket.com/albums/kk75/uncle_michael/080911_phy_1.jpg?t=1221114336
2008-09-11 8:21 pm
Since the time is not fixed, there are two solution.One with lower projrction angle, the other with higher angle but also take a longer time.
參考: 自己
收錄日期: 2021-04-20 13:39:34
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https://hk.answers.yahoo.com/question/index?qid=20080911000051KK00461