Fist one is a cylinder
the second, i believe is a sphere
the third is a rectangular prism
and the last is the same as the first, a cylinder
I believe it would be 1.6 East
Answer:
false im just trying to get it if you'd like to give it to me
Frequency = speed ÷ wavelength
= 330m/s ÷ 2.5m
= 132 Hz