How much do you have to increase the vertical distance to double the impact speed of an object?
1 answer:
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Complete Question
A spherical wave with a wavelength of 2.0 mm is emitted from the origin. At one instant of time, the phase at r_1 = 4.0 mm is π rad. At that instant, what is the phase at r_2 = 3.5 mm ? Express your answer to two significant figures and include the appropriate units.
Answer:
The phase at the second point is
Explanation:
From the question we are told that
The wavelength of the spherical wave is
The first radius is
The phase at that instant is
The second radius is
Generally the phase difference is mathematically represented as
this can also be expressed as
So we have that
substituting values