Question 2 The sound pressure of a sports car's engine is 10000 times than that of a sedan, how many dB more is the sports car's sound pressure? dB A cat can detect 1000 times more sound power at 30,000 Hz than a human. How many dB is this increase? dB Sally requires 10 times more sound pressure to detect a 1000-Hz tone than Mary. How many dB less sensitive is Sally? dB Many animals can detect an intensity that is 4 times more than the minimum sound intensity. How many dB is this? (please round to two decimal values). dB When the distance from the source is increased from 2 m to 4 m, by what factor does the sound intensity decrease? By how many dB does the sound intensity decrease (please round to two decimal numbers)? dB

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Question 2
The sound pressure of a sports car's
engine is 10000 times than that of a sedan,
how many dB more is the sports car's
sound pressure?
dB
A cat can detect 1000 times more sound
power at 30,000 Hz than a human. How
many dB is this increase?
dB
Sally requires 10 times more sound
pressure to detect a 1000-Hz tone than
Mary. How many dB less sensitive is Sally?
dB
Many animals can detect an intensity that is
4 times more than the minimum sound
intensity. How many dB is this? (please
round to two decimal values).
dB
When the distance from the source is
increased from 2 m to 4 m, by what factor
does the sound intensity decrease?
By how many dB
does the sound intensity decrease (please
round to two decimal numbers)?
dB
Transcribed Image Text:Question 2 The sound pressure of a sports car's engine is 10000 times than that of a sedan, how many dB more is the sports car's sound pressure? dB A cat can detect 1000 times more sound power at 30,000 Hz than a human. How many dB is this increase? dB Sally requires 10 times more sound pressure to detect a 1000-Hz tone than Mary. How many dB less sensitive is Sally? dB Many animals can detect an intensity that is 4 times more than the minimum sound intensity. How many dB is this? (please round to two decimal values). dB When the distance from the source is increased from 2 m to 4 m, by what factor does the sound intensity decrease? By how many dB does the sound intensity decrease (please round to two decimal numbers)? dB
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