763
订阅者
+324 小时
+77 天
+6030 天
帖子存档
Two objects made of the same material have different shapes. Which property must be the same for both?
A cube of iron has a density of 7800 kg/m³. It is placed on a horizontal surface and exerts a pressure of 3.92 × 10⁴ Pa.
The length of cube side is ?
A cube has a mass of 2 kg and is placed on a horizontal surface. 📦 If the pressure exerted on the surface is 4.9 × 10² Pa, calculate the length of the side of the cube. 📏
If there is not _____ light make no sense in autotrophic nutrition
A metal sphere has:
Mass = 540 g
Density = 9000 kg/m³
Find the radius of the sphere in cm.
