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A Student Is Standing 500 M In Front Of A Large Vertical Wall. When She Shouts, She Hears Her Echo 2.60 S Later. What Is The Speed Of The Air? - Math Discussion

A student is standing 500 m in front of a large vertical wall. When she shouts, she hears her echo 2.60 s later. What is the Speed of the air?

GUEST 2015-12-09 21:15:42
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