Answer:
The wavelength can always be determined by measuring the distance between any two corresponding points on adjacent waves. In the case of a longitudinal wave, a wavelength measurement is made by measuring the distance from a compression to the next compression or from a rarefaction to the next rarefaction.
Explanation:
I have the answer for A. Since there is blockage in the ear canal, some sound waves may not be able to get through or travel as quickly so you would have trouble hearing
Nonononononononononononononononononono
Answer:
6 m/s^2
Explanation:
The average acceleration of the car is given by:

where
v is the final speed
u is the initial speed
t is the time elapsed
For the car in this problem,
v = 22 m/s
u = 4 m/s
t = 3 s
Therefore, the acceleration of the car is

We assume

(acceleration is constant. We apply the equation

where s is the distance to stop

. We find the acceleration from this equation

We know the acceleration, thus we find the distance necesssary to stop when initial speed is
