Homework Statement
Two loudspeakers emit 300 Hz notes. One speaker sits on the ground. The other speaker is in the back of a pickup truck. You hear eight beats per second as the truck drives away from you. What is the truck's speed? (Assume that the speed of sound is 343 m/s.)
Homework...
Homework Statement
A child has an ear canal that is 1.3 cm long. At what sound frequencies in the audible range will the child have increased hearing sensitivity?
Homework Equations
for open-closed tube, f= m(v/4L)
The Attempt at a Solution
I need two frequencies since the question...