Question

if 20 waves of water pass you in 5.0 s and the waves are 2.0 m long, how fast are they moving?
1.0 m/s
4.0 m/s
2.0 m/s
8.0 m/s

Answer 1

The answer to this can be found by taking 20 and dividing it by 5. 

20/5=4

The answer to this is 4.0 m/s

Answer 2

Answer:

The correct answer is 8 m/s

Explanation:

I took the test and this was the right answer