(1)s的大小;
(2)最终物块B没有从长板A上滑落,求A的最小长度;
(3)最终长板A运动的总路程;
(4)若滑块C不固定,长板A每次与C碰撞前均能与滑块B达到共同速度,①为了使A能与C发生不止一次碰撞,求滑块C的质量满足的条件?②在此条件下,当滑块C质量无限趋近于某一数值时它整个过程中受到的总冲量最小,此最小总冲量趋近于某一数值,求此数值的大小?


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

