Answer: 84.63 m
Step-by-step explanation:
The speed of sound in the air, at
is
, and for each degree Celsius the temperature rises, the speed of the sound increases by
. So, if we estimate the speed of sound at
it will be
.
On the other hand, the speed of sound
is defined as the distance traveled
in a especific time
:
Where:
is the speed of sound
is half the time the sound wave travels since you say "hello", the sound wave hits the building and then returns to you
is the distance between you and the building
Finding
:
Finally:
