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Illusion [34]
3 years ago
9

Buoyancy is a force that always acts in an

Physics
2 answers:
Maslowich3 years ago
8 0

Answer:

Explanation:

Buoyancy is a force that always acts in the upward direction against the weight of the immersed or semi-immersed object in the fluid. In any fluid( air or water) column pressure increases as we go deeper because of the overlying fluid. Here magnitude of the buoyancy force is proportional to the pressure difference.

Margarita [4]3 years ago
7 0

Buoyancy is a force that always acts in an upward direction exerted by a fluid on a body placed in the fluid

Hope this helps :)

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Si tenemos tres cubos del mismo tamaño (hierro, madera e icopor). ¿Qué diferencias puede encontrar entre ellos?
cricket20 [7]

Answer: La diferencia es el peso (o la masa), siendo que el cubo de hierro es el mas pesado, después viene el de madera y después el de icopor.

Explanation:

Ok, los 3 cubos tienen el mismo tamaño, lo que implica que tienen el mismo volumen.

Ahora es útil recordar la relación:

Densidad = masa/volumen.

Masa = densidad*volumen.

Nosotros sabemos que la densidad del hierro es mas grande que la de la madera, y la densidad de la madera es mas grande que la del icopor.

Entonces, por la relación anterior, y sabiendo que todos los cubos tienen el mismo volumen, podemos reconocer que el cubo de hierro tiene mayor masa, después viene el de madera y después viene el de icopor.

Y sabiendo que:

masa*gravedad = peso

podemos saber que el cubo mas pesado es el de hierro, después el de madera y después el de icopor.

Además de esta diferencia, también hay otras que no dependen tanto del tamaño del objeto, como pueden ser las capacidades caloríficas, el como reaccionan a campos eléctricos y cosas así que son triviales, pues son diferentes para casi todos los materiales.

5 0
3 years ago
Can someone please answer this, ill give you brainliest Would be very appreciated.
Evgesh-ka [11]

Answer:

False

Explanation:

Solid water (ice) has a lesser density than liquid water. Hence, the statement is false.

3 0
2 years ago
Read 2 more answers
Help me with Economics please and thank you the question is going to be down in a attached file while the answers on here
Tresset [83]
I think is A or B it depends on like what the trying to answer
6 0
2 years ago
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If you run at 12 m/s fr 15 minutes, how far will you go
notsponge [240]

Answer:

180m

Explanation:

We can use the formula [ d = st ].

12 * 15 = 180m

Best of Luck!

4 0
2 years ago
Explain why filing cabinets are<br>designed so that only one draw<br>can be pulled out at a time.​
natta225 [31]

Answer:

Cabinets are made to open one at a time so that there's not much of space taken up when all the drawers are open. Hope this helps.

7 0
2 years ago
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