项目 | 数值 |
空载质量(吨) | 2.4 |
满载装水量(吨) | 20 |
满载时车轮与水平地面接触总面积(米2) | 0.4 |
正常酒水流量(吨/时) | 50 |
(1)若洒水车满载并按正常洒水流量洒水,它在本次洒水过程中最多可连续喷洒多少路程
(2)求洒水车满载时,停在水平地面上对地面的压强
(3)在本次洒水过程中,洒水车的机械能大小变化情况是
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