Physics High School

Calculate the pressure water exerts on a fish tank'. The water presses down on the bottom with a force of 2000 N, and the area of the bottom of the tank is 0.4m?.

Answers

Answer 1

The pressure water exerts on the fish tank is 5000 N/m², or 5000 Pascal (Pa).

To calculate the pressure water exerts on a fish tank, we can use the formula:

Pressure = Force / Area

Given:

Force on the bottom of the tank (F) = 2000 N

Area of the bottom of the tank (A) = 0.4 m²

Substituting the values into the formula:

Pressure = 2000 N / 0.4 m²

Pressure = 5000 N/m²

Pressure is defined as the force applied per unit area. In this case, the force exerted by the water on the bottom of the tank is 2000 N, and the area of the bottom of the tank is 0.4 m². By dividing the force by the area, we find that the pressure exerted by the water is 5000 Pa.

This means that each square meter of the bottom of the tank experiences a force of 5000 N, or equivalently, the water exerts a pressure of 5000 Pa on the tank. The pressure exerted by the water is perpendicular to the surface, pressing down on the bottom of the tank.

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Related Questions

a telescope has an objective with a focal length of 1200 mm and an eyepiece with a focal length of 0.050 m. what is its angular magnification?

Answers

The angular magnification of the telescope can be calculated by dividing the focal length of the objective lens by the focal length of the eyepiece. In this case, the angular magnification is 24,000 times.

The angular magnification of a telescope is determined by the ratio of the focal length of the objective lens to the focal length of the eyepiece.

In this case, the focal length of the objective lens is given as 1200 mm, which can be converted to meters by dividing by 1000, resulting in 1.2 m. The focal length of the eyepiece is given as 0.050 m.

To calculate the angular magnification, we divide the focal length of the objective lens by the focal length of the eyepiece: 1.2 m / 0.050 m = 24. Thus, the angular magnification of the telescope is 24,000 times. This means that the telescope will make objects appear 24,000 times larger than they would be when observed with the eye.

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Massive forest fires that burn large areas and destroy forest canopy are most likely to benefit a early succession species seeking to fill a niche. b late succession species that are easily reestablished. c density-dependent parasites such as bark boring species. d species that dominated prior to the fire

Answers

Massive forest fires that burn large areas and destroy forest canopy are most likely to benefit early succession species seeking to fill a niche.

Massive forest fires that cause extensive destruction and remove the forest canopy create a unique opportunity for early succession species to thrive. These fires create open spaces and expose bare soil, providing ideal conditions for pioneering species that are adapted to colonize and establish themselves in disturbed habitats. These early succession species are often characterized by fast growth rates, high reproductive capacities, and the ability to quickly exploit available resources. They are adapted to take advantage of the increased sunlight, nutrient availability, and reduced competition in post-fire Environments.

On the other hand, late succession species, which typically require a more mature forest habitat with complex vegetation structures, may struggle to reestablish themselves immediately after a massive forest fire. These species often rely on specific microhabitats, specialized interactions with other organisms, and the presence of mature trees for their survival and reproduction. They may have limited dispersal abilities or require specific conditions that take longer to develop in a post-fire landscape. Therefore, they are less likely to benefit directly from massive forest fires.

Density-dependent parasites such as bark boring species are not necessarily favored by massive forest fires. While some parasites may exploit weakened or stressed trees following a fire, their population dynamics are influenced by a range of factors beyond fire disturbance. The impact of fires on parasite populations can vary depending on the specific interactions between the parasites and their host species, as well as other ecological factors.

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