(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A pebble is dropped in a lake; and it produces ripples with a frequency of .25 Hz. When should a second pebble be dropped at the same place to produce destructive interference

2. Relevant equations

I'm not even sure if these apply, but they are the only formulas I know.

v=f[tex]\lambda[/tex] or v=[tex]\lambda[/tex]/t

3. The attempt at a solution

I have no idea how to solve this problem

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# Homework Help: Destructive Interference with a Pebble

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