Answer:We have , a relation in frequency f and wavelength λ of a wave having the velocity v as ,
v=fλ ,
given f=60Hz , λ=20m ,
therefore velocity of wave , v=60×20=1200m/s
The focus of an earthquake is internal and is harder to record than the waves of an epicenter, which are on the surface.
Least dangerous i could be wrong but feeding it to racoons.
Solar energy is one of the renewable energy sources that is invested around the world because of its large potential. the sun as a free source can sometimes bring a drawback. one of the drawbacks is that it cannot be harnessed when storms or rains are present in the weather. it is also expensive and young.
This is an example of slowing down because you encountered heavy traffic or just got tired.
Also, the numbers show acceleration.
