时间(分钟) | 0 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
温度(℃) | 25 | 60 | 75 | 90 | 100 | 100 | 100 | 100 | 100 |
(2)水在沸腾时出现的现象有:
(3)如果继续加热,到10分钟时水温是
(4)停止加热,将烧杯放置在室内,过1小时后水的温度可能是
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