滑行时间 | 0 | 1 | 2 | 3 | 4 |
滑行速度 | 60 | 57 | 54 | 51 | 48 |
滑行距离 | 0 | 58.5 | 114 | 166.5 | 216 |
(1)直接写出v关于t的函数解析式和y关于t的函数解析式(不写自变量取值范围);
____________________________,___________________________;
(2)按规定,无人机在障碍物附近的滑行速度必须低于

(3)若无人机着陆的同时打开减速伞(开伞时间忽略不计),减速伞的制动效果为开伞后每秒减少滑行距离



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

