Pat stands between two high walls, at a point one-third the distance between the walls. Pat fires a starter pistol, and hears one echo one-tenth of a second after the first echo. If the speed of sound is 340 m/s, how far apart are the walls?

The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program