Answer:
Speed = 20 m/s
Step-by-step explanation:
The formula to find the speed of a wave is found by
Speed = Wavelength x Frequency where the frequency is in HZ and the wavelength is in meters
Speed = .80*25
Speed = 20 m/s
It would be the last choice Joelle: 155, Anita: 270
The answer is for this question is A
Answer:
ANSWER IN number8 IS C
ANSWER IN number9 IS B
Step-by-step explanation: