Answer: Start by writing down the problem in your own words using as much detail as possible. Be as specific as possible in your description.
Explanation:
ANSWER:
The answer will be OT
None of the energy is created nor destroyed
Wavelength =(speed)/(frequency)
Wavelength =(20 m/s) / (20/s)
Wavelength = 1 meter
The answer is 2.31!!!!!!!