A block with a speaker bolted to it is connected to a spring having spring constant k = 20.0 N/m and oscillates as shown in Figure 3. The total mass of the block and speaker is 5.00 kg, and the amplitude of this unit’s motion is 0.500 m. The speaker emits sound waves of frequency 440 Hz. Determine (a) the highest and (b) the lowest frequencies heard by the person to the right of the speaker. (c) If the maximum sound level heard by the person is 60.0 dB when the speaker is at its closest distance d = 1.00 m from him, what is the minimum sound level heard by the observer?
A block with a speaker bolted to it is connected to a spring having spring constant k = 20.0 N/m and oscillates as shown in Figure 3. The total mass of the block and speaker is 5.00 kg, and the amplitude of this unit’s motion is 0.500 m. The speaker emits sound waves of frequency 440 Hz. Determine (a) the highest and (b) the lowest frequencies heard by the person to the right of the speaker. (c) If the maximum sound level heard by the person is 60.0 dB when the speaker is at its closest distance d = 1.00 m from him, what is the minimum sound level heard by the observer?
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A block with a speaker bolted to it is connected to a spring having
spring constant k = 20.0 N/m and oscillates as shown in Figure 3. The
total mass of the block and speaker is 5.00 kg, and the amplitude of
this unit’s motion is 0.500 m. The speaker emits sound waves of
frequency 440 Hz. Determine (a) the highest and (b) the lowest
frequencies heard by the person to the right of the speaker.
(c) If the maximum sound level heard by the person is 60.0 dB when
the speaker is at its closest distance d = 1.00 m from him, what is the
minimum sound level heard by the observer?
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