Volumetric cylinders and volumetric flasks
Answer:
A. The wavelengths of the new sound waves are longer
Explanation:
This is the Doppler effect which can be best illustraded for the case of a siren of an ambulance approaching us having a greater frequency and getting lower in frequency and deeper as the ambulance passes us.
Since the wavelength is inversely proportional to the frequency it follows the wavelengths are longer when the frequency decreases lowering its pitch and getting deeper.
882 divided by 9.81 (this is acceleration due to gravity) it equals 89.91
Answer:
it is B
Explanation:
Because I agree with her and also got 100