Question

What is the speed of a wave if the wavelength is 100 m and the period is 20 s? 2,000 m/s 120 m/s 80 m/s 5 m/s

Answer 1

the formula for speed is distance divided by time. if you plug in the numbers, you get 100 divided by 20. the answer is 5m/s

Answer 2

Answer:

Your answer is D. 5m/s

Explanation:

I have one of these questions on my test and im quite sure 5m/s is correct! :)