# physics

A piano tuner hears one beat every 2.0s when trying to adjust two strings, one of which is sounding 440 Hz. How far off in frequency is the other string?

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1. the difference in freq is 1/2 hz

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bobpursley
2. 1beat/2s. = 0.5beats/s. = 0.5cycles/s. = 0.5 Hz.

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