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(For a Trig-based Physics Class!) The current record holder for the loudest concert was the heavy...

(For a Trig-based Physics Class!)

The current record holder for the loudest concert was the heavy metal band "Manowar" whose speakers blasted at 129.5 dB in 1994.

A. How many times louder was this concert than the previous record holder, "The Who", from a 1976 concert with 120 dB?

B. How many times louder is this than a jackhammer (100 dB)?

C. If you stood 30m from the speakers at the Manowar concert, how much energy would your ears be exposed to from this sound over a duration of two hours?

D. The energy you computed in part C is equivalent to 333,400kg Boeing 747 airplane moving at a certain constant speed. What is this speed?

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Answer #1

A. ¿Cuántas veces más fuerte fue este concierto que el anterior titular del disco, "The Who", de un concierto de 1976 con 120 dB?

Para resolver este problema, debemos determinar la relación entre los decibeles del concierto "manowar" y los decibeles del concierto "the who". Usaremos dBM para "manowar" y ydBW para "the who".

129.5dB 120dB1.07917

El concierto "manowar" fue 1.07917 veces más fuerte que el concierto "the who".

B. ¿Cuántas veces más alto es esto que un martillo neumático (100 dB)?

dBM para manowar y dBJ para el martillo neumático

100dB 1.295

El concierto de manowar es 1. 295 veces mayor.

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