A turntable rotates with a constant angular acceleration 2.05 rad/s^2 . After a
time interval 4.45s the wheel has rotated through an angle of 64.0 rad .
What was the angular velocity of the wheel at the beginning of the time interval 4.45 s?
? rad/s
angular velocity
2012-10-23 7:22 am
回答 (1)
2012-10-24 2:19 am
✔ 最佳答案
64.0 rad = (x rad/s)(4.45s) + 0.5( 2.05 rad/s^2)(4.45s)^2x = 9.82077 rad/s
你本書應該有公式播。
收錄日期: 2021-04-22 23:49:49
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20121022000051KK00685