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kati45 [8]
2 years ago
10

On the decibel scale, an increase of 10 decibels means an intensity increase of __________times?

Physics
2 answers:
Sergio039 [100]2 years ago
8 0

Answer:

10 APEX Verified

Explanation:

Sonbull [250]2 years ago
3 0

Answer:

10

Explanation:

The decibel or decibel, is a unit that relates two values ​​of sound pressure, and electrical power. the base unit is the bel, but given the amplitude but for practicality, a submultiple, the decibel, is used. It is a scalar expression .

Zero belios is the reference value used as a base, hence a bel is equivalent to 10 decibels and means that there is a power increase of 10 times over the reference value.

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Let E represent the oscillator's initial energy, Et be the energy's final value at time t, where A is its beginning amplitude, At amplitude at time t, be. as the oscillator's energy increases to 0.50 times its initial value. We can replace the oscillator's total energy for the energy at time t to obtain the amplitude as shown below.

Et=0.50E

1

k(4₂)² = (0.5) - kA²

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So, the amplitude of the oscillator becomes 0.71 times its initial ar

0.71A = = A(0.96)¹2

log(0.71)

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n=

So, the time taken for n oscillation is obtained as,

t = n (0.800 s)

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= 6.72 s

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