Physics, 30.12.2020 20:00 brevancci

URGENTE : Un cuerpo de 8m³ flota en el agua. Si el volumen sumergido es de 5m³. Determina el modulo de la fuerza de empuje (en kn) que presenta

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Answer from: krystalhurst97

La magnitud del empuje hacia arriba o fuerza hacia arriba que actúa sobre el cuerpo es 48,853 kN

Explanation:

Los parámetros dados son;

El volumen del cuerpo = 8 m.³

El volumen del cuerpo sumergido = 5 m³

Por el principio de Arquímedes, que establece que el empuje hacia arriba, F_b , actuar sobre un cuerpo en un fluido es igual al peso del fluido desplazado por el cuerpo

Matemáticamente, tenemos;

F_b = ρ × g × V

Dónde;

ρ = La densidad del fluido = La densidad del agua = 997 kg / m³

g = La aceleración debida a la gravedad = 9,8 m / s²

V = El volumen del fluido desplazado = El volumen del cuerpo sumergido = 5 m.³

∴ F_b = 997 kg / m³ × 9,8 m / s² × 5 m³ = 48,853 N = 48,853 kN (hacia arriba)

La magnitud del empuje hacia arriba o la fuerza hacia arriba que actúa sobre el cuerpo = 48,853 kN.

Answer from: Quest

the answer is d. 4

hope this

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Answer from: Quest

electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials. shielding is typically applied to enclosures to isolate electrical devices from their surroundings, and to cables to isolate wires from the environment through which the cable runs. electromagnetic shielding that blocks radio frequency electromagnetic radiation is also known as rf shielding.

the shielding can reduce the coupling of radio waves, electromagnetic fields and electrostatic fields. a conductive enclosure used to block electrostatic fields is also known as a faraday cage. the amount of reduction depends very much upon the material used, its thickness, the size of the shielded volume and the frequency of the fields of interest and the size, shape and orientation of apertures in a shield to an incident electromagnetic

from wikipedia

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URGENTE : Un cuerpo de 8m³ flota en el agua. Si el volumen sumergido es de 5m³. Determina el modulo...

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