Answer:
The frequency of the sound wave is 800Hz
The speed of sound in a is about 340m/s.
Velocity = frequency x wavelength
making wavelength the subject formula
wavelength = Velocity/frequency.
wavelength = 340/800
wavelength = 0.425m.
d =2.55.68m and t = 11.36s
In my opinion
Answer:
I think it will back towards the earth because earth gravitional field will attract to Wards
C is the answer because it mix and water combining together