(1)若在整个运动过程中B未滑出C,B相对C所能滑动的最大距离;
(2)假如C与N碰撞次数多于2次,至少经过多少次碰撞,B的动能小于?
(3)若弹簧解除锁定后,弹簧将A、B两物块弹开,物块B滑上木板到达C右端时,C恰好第一次碰到N点。再改变C的质量为,弹簧解除锁定后,弹簧将A、B两物块弹开,让C第k次碰撞N点时,木块B恰好滑到C右端,此时B的速度大于C的速度,求与k的关系。
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