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The average speed is the ratio between the total space and the total time of the motion:
The total space is
while the total time is
So, the average velocity is
We can also rewrite it in m/s. The total space is
, while the time is 
, and so
The total space is
while the total time is
So, the average velocity is
We can also rewrite it in m/s. The total space is
The power delivered is equal to the product between the voltage V and the current I:
This power is delivered for a total time of
, so the total energy delivered to the battery is
This power is delivered for a total time of
Answer:
The ratio is 9.95
Solution:
As per the question:
Amplitude,
Wavelength,
Now,
To calculate the ratio of the maximum particle speed to the speed of the wave:
For the maximum speed of the particle:
where
= angular speed of the particle
Thus
Now,
The wave speed is given by:
Now,
The ratio is given by: