Question

PLS HELP ME I BEG
What is the wave velocity if the wavelength is 200 cm and the frequency is 4 Hz?
A. 0.05 cm per second
B. 800 cm per second
C. 50 cm per second
D. 204 cm per second

Answer 1

a 0.05cm per second

Answer 2

I am pretty sure it’s A 0.05 cm per second