What do you hear and how frequently

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a) Two sound sources of 785.0Hz and 783.4Hz with the same intensity are played together. What do you hear and how frequently?

b) an f-16 fighter jet's engine emits a whistling sound of 15,000Hz. if it approaches you at 600 mph (268m/s) what is its perceived frequency?

Reference no: EM13315994

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