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pshichka [43]
3 years ago
7

Helpppppppp please !!!!

Physics
1 answer:
agasfer [191]3 years ago
7 0

Answer:

second one is correct that is right

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Mercury is in the 80th position in the periodic table. How many protons does it have?
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Mercury has 80 protons. Ironic? 
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What is light intensity? ​
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Light intensity is the "amount of light given off a light source." Also, is the measure the wavelength of the amount of light given off by a light source.

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The lever shown above can be used to move the
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Explanation:

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Queremos un cilindro de simple efecto que utilice en su funcionamiento un volumen de aire a presión atmosférica de 13,122 litros
zhuklara [117]

Answer:

1) El diámetro es de aproximadamente 913,987 cm.

2) La fuerza del cilindro es 5576850 kgf

Explanation:

1) Los parámetros dados son;

El volumen del aire = 13,122 litros = 13122000 cm³

La presión de trabajo = 8.5 kgf / cm²

La longitud del cilindro = 20 cm.

Por lo tanto, tenemos;

El área de la base del cilindro = π · r² = 13122000 cm³ / (20 cm) = 656100 cm²

r = √ (656100 / π) ≈ 456,994 cm

El diámetro = 2 × r ≈ 2 × 456.994 ≈ 913.987 cm

El diámetro ≈ 913,987 cm

2) La fuerza del cilindro = El área de la base del cilindro × La presión de trabajo

∴ La fuerza del cilindro = 656100 cm² × 8.5 kgf / cm² = 5576850 kgf

La fuerza del cilindro = 5576850 kgf

3 0
2 years ago
A 432 g sample of 60/27Co has a decay constant of 4.14 x 10-9 s-1. How long will it take before only 1/3 of the original sample
Musya8 [376]

Answer:

remain 1s60

Explanation:

I took away sample

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2 years ago
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