Speed of sound in water at 16 degrees celsius

[lavster]

Homework Statement

How do you calculate the speed of sound in water at 16 degrees celsius?

Homework Equations

Speed at 20 degrees is 1482m/s

The Attempt at a Solution

I need help getting started... I don't know how to go about trying to work this out (this isn't a homework question)

 

[TSny]

This might be helpful: http://www.engineeringtoolbox.com/sound-speed-water-d_598.html You can interpolate in the table to find an approximate value at 16 degrees C.

An empirical formula is given at http://en.wikipedia.org/wiki/Speed_of_sound

Also http://resource.npl.co.uk/acoustics/techguides/soundpurewater/