Vibrations and Waves (id: 0f584d320)

本题目来源于试卷: Vibrations and Waves，类别为 IB物理学

[填空题]
A 950-kg car strikes ae u y(ya,f9mo6 o,s0cm huge spring at a speed of 22 l +:bqx3gs7 h kv62kcgm/s (Fig. 11–54), compressing ths6vhkxgl2 b7:gc+3 kqe spring 5.0 m. (a) What is the spring stiffness constant of the spring?    N/m (b) How long is the car in contact with the spring before it bounces off in the opposite direction?    s

参考答案:
空格1: 18392±2%  空格2: 0.71±2% 


本题详细解析:

微信扫一扫，分享更方便