Question

The students in the diagram wanted to calculate the speed of sound. They

heard the echo 2.91
seconds after they hit
the wooden blocks
together.
They completed the
following calculation to
calculate the speed of
the sound wave 480
3.2 = 150 m/s. explain
why the answer is
incorrect and calculate the true value.​

Answer 1

Isolate the variable by dividing each side by factors that don't contain the variable.

m

=

32.021

¯

3

s