ondas 1 s10

TALLER 1s10 INTEGRANTES:

Carita Mamani Anggie

C2-D

De la Cruz Ticona Joel

C2-D

Curso:

  Ondas y Calor: Semestre:

  I Semestre Profesor:

  Ernesto Cafferatta

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1. El tripulante de una nave espacial emite un sonido la cual demora en escuchar 0.25 s después de la emisión. Si la temperatur es de 2457 ºK, ¿qué tan lejos está el tripulante de la superficie reflectora del sonido?

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2. Si la temperatura más baja de un planeta alejado del sistema solar es de -260 ºC. ¿Cuál es la velocidad del sonido en dicho  planeta?

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3. Una avioneta viaja a 336 m/s. ¿A qué frecuencia un observador estacionario estacionario escucha el sonido cuando la avioneta se acerca? Si la frecuencia de sonido que emite la avioneta es de 50 Hz. (v sonido=343 m/s)

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4. Un observador estacionario escucha una frecuencia frecuencia de 680 Hz que proviene de una fuente cuya frecuencia es de 340 Hz y se acerca hacia a él. ¿Cuál es la velocidad de la fuente? (v sonido=343 m/s)

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5. Cuál es el nivel de intensidad sonora producido por un vehiculo que emite una onda sonora de 10 W/m  de intensidad

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6. Calcule la intensidad de una onda sonora

que tiene un novel de intensidad de 110 dB.

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7. Calcule la potencia con que emite un altavoz si la intensidad del sonido a 10 metros de distancia tiene un valor de 0,6 W/m

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8. Una motocicleta emite un ruido con una potencia de 15 W. Calcula el nivel de intensidad sonora a una distancia de 1 m