Physics

Problem

A violinist hears

5

beats per second when bowing her

A

string along with a

440\,\text{Hz}

electronic tone. After she loosens the string slightly, the beats disappear. What was the original frequency of her string before the adjustment? a)

450\,\text{Hz}

445\,\text{Hz}

435\,\text{Hz}

438\,\text{Hz}