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What is the beat frequency of two keys on a phone, one with a frequency of 210 Hz and the other one with a frequency of 280 Hz?
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What is the beat frequency of two keys on a phone, one with a frequency of 210 Hz and the other one with a frequency of 280 Hz?

User Giacomo Santarnecchi
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1 Answer

2 votes
The best frequency should be 70 Hz you simply find the difference between 280 Hz and 210 Hz
User Sebastian Brannstrom
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