The trachea is a tube that carries air inside the lungs.
The answer is static friction. This is the friction that involves objects that do not move.
The acceleration should 5.4 m/s^2
Answer:
There is no great force, the force exerted by the Earth on the Sun, and the force exerted by the Sun on the Earth are equal
Explanation:
By definition...
Wavelength = speed / frequency
(345 m/s) / (20,000 Hz) = 0.017 m
