Solving Problems

Science

Problem:  

Richard was at the canyon and he shouted his name down the canyon, 8 seconds later he heard his echo. How deep is the canyon, Explain how you solved it.

Solution:

What I first did I look up the speed of the voice, that is 343.2  m\s 

Now what we have to do multiply it times 4, Why times 4? Because it last 4 seconds to go down and to come back up again.

   343.2 * 4 = 1372.8 

So the canyon is 1372.8 long.