Explanation: A sneaker is a want because you don't actually need it to survive
Answer:
80 kmh
Explanation:
IDK lol i just divided it by 2 because he drove 80 kilometres in one hour
Answer:
Explanation:
The relationship of the speed of sound, its frequency, and wavelength is the same as for all waves: vw = fλ, where vw is the speed of sound, f is its frequency, and λ is its wavelength.
