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erastova [34]
3 years ago
8

This may seem a little personal, but how do you ask a girl out that doesn't seem to have intrest in you? I'll give brainliest to

the working answer (sorry bout the misleading subject line)
Physics
1 answer:
Goshia [24]3 years ago
4 0
Honestly just focus on yourself if it seems she doesn’t have interest but it is also nice to just tell her how you feel, who knows she might actually be interested
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Submarine a travels horizontally at 11.0 m/s through ocean water. it emits a sonar signal of frequency f 5 5.27 3 103 hz in the
xeze [42]
Velocity of submarine A is vs = 11.0m/s
frequency emitted by submarine A. F = 55.273 × 10∧3HZ
Velocity of submarine B = vO = 3.00m/s
The given equation is
f' = ((V + vO) ((v - vS)) × f
The observer on submarine detects the frequency f'.
The sign of vO should be positive as the observer of submarine B is moving away from the source of submarine A.
The speed of the sound used in seawater is 1533m/s
The frequency which is detected by submarine B is 
fo = fs (V -vO/ v +vs)
= 53.273 × 10∧3hz) ((1533 m/s - 4.5 m/s)/ (1533 m/s +11 m/s)
fo = 5408 HZ
6 0
4 years ago
Which sequence occurs from fastest to slowest on the earth's surface?
SIZIF [17.4K]
The answer should be A.

Mountain formations tend to take thousands of years to form, lava rolls relatively slowly, and lightning can travel faster than rockets. 

Hope this helped!
3 0
3 years ago
Read 2 more answers
The total energy in a substance as a result of the motion and position of all the particles is _________. a. heat b. temperature
bonufazy [111]
The answer would be Thermal Energy.
3 0
3 years ago
When two oceanic plate boundaries meet, this crustal feature forms?
fgiga [73]
The correct answer is B
4 0
3 years ago
78. A film of oil on water will appear dark when it is very thin, because the path length difference becomes small compared with
Hoochie [10]

To solve this problem it is necessary to apply the concepts related to the condition of path difference for destructive interference between the two reflected waves from the top and bottom of a surface.

Mathematically this expression can be described under the equation

\delta = 2nt

Where

n = Refractive index

t = Thickness

In terms of the wavelength the path difference of the reflected waves can be described as

\delta = \frac{\lambda}{4}

Where

\lambda = Wavelenght

Equation the two equations we have that

2nt = \frac{\lambda}{4}

t = \frac{\lambda}{8n}

Our values are given as

\lambda = 380nm \rightarrow Wavelength of light

n = 1.4

t = \frac{380nm}{8*1.4}

t = 33.93nm

Therefore the minimum thickness of the oil for destructive interference to occur is approximately 34.0 nm

4 0
3 years ago
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