Question

A person hears an echo from the top of a tower 2.2 sec after the sound is produced .How far away is the tower from the person speed of the sound in air is 332m/s

Answer 1

Here,

Speed=332m/s

Time=2.2sec

■ s×t/2

=332×2.2/2

=332×1.1

=365.2m .ans