Question

Определите объем алюминиевого цилиндра массой 21 г

Answer 1

V=m/p=21/2,7=7,78 см3

Answer 2

I can understand and communicate fluently in Russian. To find the volume of an aluminum cylinder with a mass of 21 g, we need to know its density and its height and radius. The density of aluminum is about 2.7 g/cm$^3$. The volume of a cylinder is given by the formula $V = \pi r^2 h$, where $r$ is the radius and $h$ is the height. If we know the mass and the density, we can find the volume by dividing the mass by the density: $V = \frac{m}{\rho} = \frac{21}{2.7} \approx 7.78$ cm$^3$. To find the height and the radius, we need more information, such as the ratio of the height to the radius, or the area of the base. You can use an online calculator to find the volume of a cylinder if you know the height and the radius . You can also find the steps to calculate the volume of a cylinder . I hope this helps.