3 years ago

ON WHAT FACTORS DOES THE LOUDNESS OF SOUND DEPENDS?

Physics

1 answer:

zhenek [66]3 years ago

7 0

Answer: 1.) The intensity of the sound wave which reaches the listener’s ear.

2.) The square of the amplitude of the sound wave.

3.) The mass of air which can be set into vibration.

Explanation:

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A parallel-plate air capacitor with a capacitance of 260 pF has a charge of magnitude 0.155 Î¼C on each plate. The plates have a

butalik [34]

Answer:

The potential difference between the plates is 596.2 volts.

Explanation:

Given that,

Capacitance $C=260\ pF$

Charge $q=0.155\ \mu\ C$

Separation of plates = 0.313 mm

We need to calculate the potential difference between the plates

Using formula of potential difference

$V= \dfrac{Q}{C}$

Where, Q = charge

C = capacitance

Put the value into the formula

$V=\dfrac{0.155\times10^{-6}}{260\times10^{-12}}$

$V=596.2\ volts$

Hence,The potential difference between the plates is 596.2 volts.

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4 years ago

Choose the answer that best describes hydrostatic equilibrium.

makvit [3.9K]

Answer:

the answer should be the third statement

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3 years ago

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Dmitry [639]

equal and opposite reaction.

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3 years ago

A steam engine absorbs 4 x 105 J and expels 3.5 x 105 J in each cycle. What is its efficiency?

Wewaii [24]

Input heat, Qin = 4 x 10⁵ J
Output heat, Qout = 3.5 x 10⁵ J

From the first Law of thermodynamics, obtain useful work performed as
W = Qin - Qout
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By definition, the efficiency is
η = W/Qin
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Answer: The efficiency is 12.5%

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3 years ago

A plate in a parallel-plate capacitor has an area of 0.03 m2 and is 0.5 × 10–3 m from the other plate. The space between the pla

aivan3 [116]

Answer:

4 x 10^-9F

Explanation:

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