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suppose that the sound level of a comversation is initially at an angry 70 dB and...

suppose that the sound level of a comversation is initially at an angry 70 dB and then drops to a soothing 53 dB. Assuming that the frequency of the sound is 521 Hz, determine the a) initial and b) final sound intensities and the c)initial and d) final sound vave amplitudes. Assume the soeed of sound in 343 m/s and the air density js 1.21 kg/meters cubed.
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This question can be solved using the easy formula of intensity and amplitude of sound wave. The calculation should be correct for this question.

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