所称物体的质量/g | 0 | 200 | 400 | 600 | 800 | 1000 |
皮筋伸长的长度/cm | 0 | 2 | 4 | 6 | 8 | 10 |
(2)把上表中用自制的皮筋称量物体的质量与皮筋伸长的长度所对应的点描在方格纸上,再次连接。

(3)若笑笑用这根皮筋称一个物体,皮筋伸长15厘米,这个物体的质量是多少千克?

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

