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dlinn [17]
2 years ago
12

3. In the picture, a girl with a weight of 540 N is balancing on

Chemistry
1 answer:
svet-max [94.6K]2 years ago
6 0

Answer:

340 N

Explanation:

<u>Force formula</u>

The force formula is defined by Newton's second law of motion: Force exerted by an object equals mass times acceleration of that object: F = m ⨉ a. To use this formula, you need to use SI units: Newtons for force, kilograms for mass, and meters per second squared for acceleration.

<u>Equilibrium</u>

It is a state of rest or balance due to the equal action of opposing forces. equal balance between any powers, influences, etc.; equality of effect. mental or emotional balance; equanimity: The pressures of the situation caused her to lose her equilibrium.<u> </u>

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Answer:

36.63 Torr

Explanation:

You need to use two expressions, one for pressure and the other with the relation of density and height of the column.

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The second expression put a relation between the densities and height of the column so:

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Now with the first expression, we can calculate the pressure so:

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replacing:

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