更新1:
2. A projectile is fired with an initial speed of 75.2m/s at an angle of 34.5 degrees above the horizontal on a long flat firing range. Determine the velocity of the projectile 1.50s after firing.
Challenging!
2007-07-11 8:43 pm
A hunter aims directly at a target (on the same level) 120m away. a) If the bullet leaves the gun at a speed of 250m/s, by how much will it miss the target? b) At what angle should the gun be aimed so the target will be hit?
回答 (1)
2007-07-11 10:07 pm
參考: My physics knowledge
收錄日期: 2021-04-23 17:06:54
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070711000051KK01461