On a bright winter s day a student notices an echo as he

Last updated: 6/15/2023

On a bright winter s day a student notices an echo as he walks between a high school s playing field and the rear wall of its auditorium He decides to estimate how far he stands from the reflective wall He abruptly claps and determines that the sound pulse returns to his as an echo 0 492 seconds later averaging several trials for enhanced reliability The air is a frigid 10 C Six months later the student decides to repeat his experiment on a hot summer day standing at the same exact spot This time the echo takes a slightly shorter 0 454 seconds to return to the student a What is the temperature in C of the air on the summer day C b How far in m does the student stand from the reflective wall m