Question

Железный кубик растягивает пружину с силой 2,1Н. Найдите массу и площадь поверхности кубика

Answer 1

m = 200 г, S = 0.09 м²

Сила натяжения подвеса Т равна силе тяжести F = mg.

2.1 = m*9.8, отсюда m = 2.1/9.8 = 0.2 кг

ρ железа = m/V,

7,874 = 0.2/V

отсюда V = 0.2/7.874 = 0.0254 м³

S квадрата = сторона а * на такую же сторону а, т.е. а². Поскольку мы знаем объем куба, а объем это а³, то находим куб корень из 0.0254 м³ и это примерно 0.3 м - длина стороны а.

0.3² = 0.09 м²

Answer 2

Calculation of the Mass and Surface Area of the Cube

To find the mass and surface area of the cube, we need to use the given force applied to the spring. Unfortunately, the search results provided do not directly provide the necessary information to calculate the mass and surface area of the cube. However, I can provide you with a general approach to solve this problem.

To calculate the mass of the cube, we need to use Newton's second law of motion, which states that force (F) is equal to mass (m) multiplied by acceleration (a). In this case, the force applied to the spring is given as 2.1 N. However, we do not have information about the acceleration or any other parameters that could help us calculate the mass.

Similarly, to calculate the surface area of the cube, we need the length of one side of the cube. Without this information, it is not possible to determine the surface area.

Therefore, without additional information, it is not possible to calculate the mass and surface area of the cube based on the given force applied to the spring.

If you have any additional information or if there is anything else I can assist you with, please let me know!