(实验过程)将下列实验步骤中空白处补充完整.
①用弹簧测力计测出小工艺品的重力G1 = 2 N.
②将挂在测力计下方的小工艺品浸没水中,小工艺品受到
③用测力计测出大工艺品的重力G2 = 3 N.
④如图所示,将挂在测力计下方的大工艺品浸没水中,测力计的示数F2 =
⑤合金的密度ρ =
(拓展应用)空心工艺品空心部分的体积是
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