Question

how much pressure is needed in ground based water pipes to pump water up to the restaurant on the top floor of the world trade center, 410m above the ground.

Answer 1

The pressure needed to pump water up to the restaurant on the top floor is 4018000 N/m².

What is pressure?

Pressure can be defined as the ratio of force to area of an object.

To calculate the pressure needed, we use the formula below.

Formula:

• P = Dgh............... Equation 1

Where:

• P = Pressure
• D = Density of water
• g = Acceleration due to gravity
• h = Height.

From the question,

Given:

• h = 410 m
• D = 1000 kg/m³
• g = 9.8 m/s²

Substitute these values into equation 1

• P = 410×1000×9.8
• P = 4018000 N/m²

Hence, the pressure needed to pump water up to the restaurant on the top floor is 4018000 N/m².

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