Physics

Problem

A wave travels along a stretched string at a speed of

40\,\text{m\,s}^{-1}

with a frequency of

20\,\text{Hz}

. What is its wavelength? a)

0.50\,\text{m}

1.0\,\text{m}

2.0\,\text{m}

0.32\,\text{m}