A.甲图中冰晶五环被匀速吊起的过程中机械能守恒 |
B.乙图中物体在外力F作用下沿光滑斜面加速下滑的过程中机械能守恒 |
C.丙图中不计任何阻力,轻绳连接的物体A、B组成的系统运动过程中机械能守恒 |
D.丁图中小球在光滑水平面上以一定的初速度压缩弹簧的过程中,小球的机械能守恒 |

同类型试题

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


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

