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3 votes
Help someone :(((((((((((((((

Help someone :(((((((((((((((-example-1
User NoSixties
by
3.1k points

2 Answers

9 votes

Answer:

A

Step-by-step explanation:

3500Hz*2.5m=9800m/s

Give Brillienst please!!!!

User Pete Koomen
by
3.6k points
2 votes

Wave Speed (M/s) = Frequency (Hz) x Wavelength (M)

Wave Speed = 3500Hz x 2.8M = 9800M/s

Answer = Top one

User Yuvaraja
by
3.8k points