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4 years ago

The energy supplied to a speaker is increased. What will happen to the sound the speaker produces?

Physics

2 answers:

devlian [24]4 years ago

7 0

It will get louder and increase sound

Vlada [557]4 years ago

3 0

Answer:

Loudness of sound will increase

Explanation:

As we know that energy of sound wave depends on the amplitude of sound

and we can relate it by formula

$E = kA^2$

here we know that as we increase the amplitude of the sound the energy of the sound will also increase.

Also we know that the intensity of sound is defined as the rate of energy per unit area

so here intensity of sound is used to determine the loudness of sound

so here loudness of sound will increase due to increase in amplitude of the sound

so we can say as we increase the energy the loudness will increase

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Question 4 of 5

san4es73 [151]

B. Can be hurried up once you have it memorized.

Explanation:

A good stretching routine should not be hurried because it has been memorized. This is a bad stretching habit and should not be encouraged in daily routines.

Stretching helps to flex the muscle gently after a period of inactivity or over activity.
It ensures that our muscles are well straightened out and perfectly in shape.
A full body stretch should last a minimum of about five minutes.
Stretching helps to improve tissue elasticity and their flexibility

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4 0

3 years ago

If the temperature of the solar surface is 5800 K and Wien's law for the peak wavelength of the spectrum of the Sun, assumed to

enot [183]

Answer:

The dominant wavelength of the sun is $499.65nm$

Explanation:

Wien's law is defined as:

$\lambda_{max} T = c$ (1)

Where $\lambda_{max}$ is the maximum wavelength, c is the Wien's constant and T is the temperature.

Therefore, $\lambda_{max}$ can be isolated from equation 1.

$\lambda_{max} = \frac{c}{T}$ (2)

$\lambda_{max} = \frac{2.898x10^{-3}m\cdot K}{T}$

Notice that it is necessary to express the Wien's constant in units of meters

$c = 2.898x10^{-3}m\cdot K . \frac{1x10^{9}nm}{m}$ ⇒ $2.898x10^{6} nm \cdot K$

Finally, equation 2 can be used:

$\lambda_{max} = \frac{2.898x10^{6} nm \cdot K}{5800 K}$

$\lambda_{max} = 499.65nm$

Hence, the dominant wavelength of the sun is $499.65nm$

6 0

4 years ago

Which statement represents a difference between horizontal and vertical relationships?

marishachu [46]

D.) Vertical relationships involve unequal status, while horizontal relationships represent equal status.
HOPE THIS HELPS!

6 0

3 years ago

In which of the following conditions would there be the most resistance?

Natasha2012 [34]

Answer:

A) A warm wire

Explanation:

A warm wire has the most resistance. Heating the metal wire causes atoms to vibrate more, which in turn makes it more difficult for the electrons to flow, increasing resistance. Heating the wire increases resistivity.

8 0

3 years ago

Consider the line graph depicting the motion of two cars. What statement regarding the cars motion is accurate?

Rom4ik [11]

Answer:

Its C

Explanation:

I did it on usatestprep

5 0

3 years ago