Refraction occurs when a wave enters a new medium and changes its speed.
i hope this helps
Answer:A wave has a wavelength λ, which is the distance between adjacent identical parts of the wave. The wave velocity and the wavelength are related to the wave's frequency and period by vw=λT or vw=fλ.
Explanation:
Answer: 100 J
Explanation: 1/2 5 x 2^2 = 100
Hope this made any sense.
The answer is 60 km. I hope it helps i dont know if this is right or wrong.
The meaning of inference is the process of inferring something and it is a noun