


A.若只撤去右侧外力且按住A不动,则小球B获得的最大速度为![]() |
B.若只撤去右侧外力且按住A不动,则在此后的运动中,弹簧将会多次出现弹性势能等于![]() |
C.若同时撤去两侧外力,则在此后的运动中三个小球将会多次出现![]() |
D.若同时撤去两侧外力,则三个小球最终将会以某一共同速度匀速运动下去 |

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

