1. The problem statement, all variables and given/known data In certain ranges of a piano keyboard, more than one string is tuned to the same note to provide greater intensity. For example, the note at 162 Hz has two strings at this pitch. If one string slips from its normal tension of 645 N to 516 N, what beat frequency will be heard when the two strings are struck simul- taneously? Answer in units of beats/s. 2. Relevant equations f(beat)=f1-f2 3. The attempt at a solution Am i using the right equation?