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Evgen [1.6K]
3 years ago
14

Which characteristic of a sound is affected by the amount of energy used to create that sound? In what direction the sound will

travel how fast or slow the sound travels in a particular medium how high or low the sound's pitch is how loud or soft the sound is
Physics
1 answer:
olya-2409 [2.1K]3 years ago
5 0

Answer:

The correct option is;

How loud or soft the sound is

Explanation:

The loudness of a sound wave is given by the amount of energy that the pressure wave carries and it is measured in decibels (dB) which is the relative intensity of the pressure wave of a sound to the standard pressure

A loud sound has a high amplitude and a soft sound has a low amplitude, such that as the amplitude of the sound is increased, due to increased energy input, the sound becomes louder, and as the amplitude of the sound is decreased due to reduced energy input, the sound becomes softer.

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SVETLANKA909090 [29]

Answer:

The kinetic energy of the phone would increase. The gravitational potential energy of the phone would decrease.

Explanation:

The kinetic energy {\rm KE} of an object is proportional to the square of the speed of that object. If air resistance is negligible, the phone would accelerate under gravitational pull and speed up. Hence, the kinetic energy of the phone would increase.

The gravitational field near the surface of the earth is approximately constant. Hence, the gravitational potential energy {\rm GPE} of the phone would be proportional to its height. As the phone approaches the ground, the height of the phone becomes lower and the gravitational potential energy of the phone would decrease.

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2 years ago
An electric circuit through which no current flows is known as?
Afina-wow [57]
The answer is : Open circuit
4 0
4 years ago
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sineoko [7]

Answer:

c

Explanation:

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3 years ago
5 What is the kinetic energy of a 28 kg car moving at a velocity of 7 m/s O 1963 98 686 J O 350 nocter diagram, at which point w
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Answer:

98 joules

Explanation:

1/2 of 28 = 14

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3 years ago
An automatic clothing drier spins at 51.6 rev/min. If the radius of the drier drum is 30.5cm, how fast (in m/s) is the drier dru
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Answer:

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