Question

EASY BRAINLIEST PLEASE HELP!!
-if you answer correctly ill give you brainliest which will give you 100pts-

(if you put links or don't answer accordingly im reporting your account)

Answer 1

Answer:

look at the picture i have sent

Answer 2

Answer:

solution given:

frequency[f]=215.0Hz

velocity[V]=x

wave length=2.4m

we have

wave length=$\frac{V}{f}$

2.4m=$\frac{x}{215}$

2.4×215=$\frac{x}{}$

x=516 m/s

velocity=speed =516m/s