一个作转动的物体,对转轴的转动惯量为 J .正以角速度 w 0 = 10 rad · s -1 匀速转动.现对物体加一恒定制动力矩 M =- 0.5 N · m ,经过时间 t = 5.0 s 后,物体停止了转动.物体的转动惯量 J = __________ .
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【简答题】Watch the TED lecture- Why Should You Talk to Strangers •Answer the questions : (1).Do you think whether greeting the strangers is meaningless? (2).How did the old man’s saying make the speaker feel? ...