Question

PLEASE HELP ME FAST GIVING LOTS OF POINTS.
if 20 waves of water pass you in 10.0s and the waves are 2.0 m long how fast are they moving?
A.)8.0m/s
B.)1.0m/s
C.)4.0m/s
D.)2.0m/s

Answer 1

Bio believe the answer is B Bea cause v =f(lamda)