Question

Определите силу, действующую на дно аквариума, если высота аквариума равна 50 см, а площадь поверхности его дна 4900 см 2 . Плотность воды 1000 кг/м 3 . Ответ дайте в кН. (Для большей точности возьмем g = 9,8 Н/кг)

Answer 1

Ответ:

43600 ответ не пеши краткую запись

Answer 2

Calculating the Force Acting on the Bottom of the Aquarium

To calculate the force acting on the bottom of the aquarium, we can use the formula:

Force = Pressure × Area

Where: - Pressure is the pressure exerted by the water at the bottom of the aquarium. - Area is the area of the bottom of the aquarium.

First, let's calculate the pressure exerted by the water at the bottom of the aquarium using the formula:

Pressure = Density × Gravity × Height

Where: - Density is the density of water. - Gravity is the acceleration due to gravity. - Height is the height of the water column.

Given: - Height of the aquarium (h) = 50 cm = 0.5 m - Area of the bottom of the aquarium (A) = 4900 cm^2 = 0.49 m^2 - Density of water (ρ) = 1000 kg/m^3 - Acceleration due to gravity (g) = 9.8 m/s^2

Let's calculate the pressure first.

Pressure = 1000 kg/m^3 × 9.8 m/s^2 × 0.5 m

Pressure = 4900 N/m^2

Now, we can calculate the force acting on the bottom of the aquarium.

Force = 4900 N/m^2 × 0.49 m^2

Force = 2401 N

So, the force acting on the bottom of the aquarium is 2401 N.