Question 29 of 36
1 Point
Which of the following properties of sound waves determines how loud or
soft a sound is?
O
A. Pitch
O
B. Wavelength
O
C. Frequency
O
D. Amplitude
SUBMIT

D. Amplitude

Explanation:

The amplitude of sound waves determines how loud or soft a sound is. The loudness of a sound is a function of its amplitude.

Amplitude is defined as the maximum displacement of wave from its source.

The amplitude of a sound wave determines how loud the sound can be heard.

A wave with a large amplitude will have a large loudness. Waves of low amplitude will also show softness.

Amplitude is one of the fascinating properties of waves.

acceleration = (change in speed) / (time for the change)

change in speed = (20-120)= -100 m/s.

1.5 min = 90 sec

acceleration = -100/90 = -1.11 m/s^2.

we don't care about the 150kg or the 2,500 meters. they don't make any difference.

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