![](https:///quesimg/Upload/formula/c001fa7ef7dc412862abad2e6afbb1a2.png)
![](https:///quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https:///quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https:///quesimg/Upload/formula/298e108c02770ceb46781549e0f3dfa0.png)
(1)若碰前滑块A的速度为
![](https:///quesimg/Upload/formula/6f58888df91890a19a1aa7511d19703f.png)
(1)若碰后物块D、C和杆刚好做匀速转动,求碰前滑块A的速度
![](https:///quesimg/Upload/formula/6f58888df91890a19a1aa7511d19703f.png)
![](http://static.xuejinqu.com/images/y-prise.png)
同类型试题
![](http://static.xuejinqu.com/images/medal.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)