Question

A 388 Hz tuning fork is resonating in a closed tube on a warm day when the speed of sound is 346 m/s. What is the length of the closed tube?

A. 0.89m
B. 1.12 m
C. 0.28m
d. 0.22m

Please help!

Answer 1

A

Step-by-step explanation:

because u are subtracting if this is from flvs that is what i did and it was right

Answer 2

A 0.89m

Step-by-step explanation:

V= fλ

λ= V/f

λ=346/358

λ=0.89m