gc textbook chapter 11 Vibrations and Waves (id: 0f584d320)

本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves，类别为 IB物理学

[填空题]
A 950-kg car strikes a huge spring at a speed 2ru h 9ecz)alxx-q:8iof 22 m/-oudidi.9nx yh51jz3 s (Fig. 11–54), compressing the spring 5.0 m. (a) What is the spring sti youdi n53jhxd-.9 1ziffness 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