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Rudiy27
3 years ago
5

Air in a cylinder is compressed to one-tenth of its original volume without change in temperature. What happens to its pressure?

Imagine now that a valve is opened in order to restore the initial pressure value. What percentage of the molecules have escaped?
Physics
1 answer:
alexandr402 [8]3 years ago
3 0
<h2>One-tenth of Original Volume</h2>

Explanation:

  • Air in a cylinder is compressed to one-tenth of its original volume without  a change in temperature then the pressure will be increased
  • If the valve is opened in order to restore the initial pressure value the molecules will be escaped
  • The percentage of the molecules that have escaped to attain the initial pressure will be equal to the one-tenth of its original volume
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Answer:

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Explanation:

De la pregunta anterior, se obtuvieron los siguientes datos:

Velocidad inicial (u) = 40 km / h

Hora inicial (t₁) = 0

Tiempo final (t₂) = 6 s

Velocidad final (v) = 0

Aceleración (a) =?

A continuación, convertiremos 40 km / ha m / s. Esto se puede obtener de la siguiente manera:

1 km / h = 0,2778 m / s

Por lo tanto,

40 km / h = 40 km / h × 0,2778 m / s / 1 km / h

40 km / h = 11,11 m / s

Por tanto, 40 km / h equivalen a 11,11 m / s.

Finalmente, determinaremos la aceleración del móvil durante el período en el que desaceleró. Esto se puede obtener de la siguiente manera:

Velocidad inicial (u) = 11,11 m / s

Hora inicial (t₁) = 0

Tiempo final (t₂) = 6 s

Velocidad final (v) = 0

Aceleración (a) =?

a = (v - u) / (t₂ - t₁)

a = (0 - 11,11) / (6 - 0)

a = - 11,11 / 6

a = –1,85 m / s²

Por tanto, la aceleración del móvil durante el período en el que se ralentizó es de –1,85 m / s²

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