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antiseptic1488 [7]
3 years ago
15

When a boat moves through the water, the waves in front of the boat bunch up, while the waves behind the boat spread out. this i

s an example of?
Physics
1 answer:
liberstina [14]3 years ago
8 0

Answer: Doppler Effect

Doppler Effect can be described as the change in wavelength of a wave like upward shift in frequency for an object whom is approaching and an apparent downward shift in frequency for observers from whom the source is receding. This effect can be observed when a boat moves through the water then the waves in front bunch up while the waves behind the boat spread out.

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A person runs at a speed of 4 meters per second. How far will the person travel in 40 seconds?
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To determine the distance (d) traveled by a body given its speed (S) and the time (t). Use the equation,
 
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Substituting the known values to the equation,
 
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3 years ago
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The answer should be "The object with the greater mass should be attached to the spring with the smaller <span>spring constant."

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3 years ago
A laser beam of unknown wavelength passes through adiffraction grating having 5510 lines/cm after striking itperpendicularly. Ta
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Answer:

Explanation:

distance between two slit  d = \frac{1 \times 10^{-2}}{5510}

d = 18.15 x 10⁻⁷ m

Let wave length of light λ

formula for  position of  first pair of bright spot

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Tan 15.4 = \frac{\lambda}{18.15\times10^{-7}}

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=\frac{2\times5}{18.5}

θ = 28.4 degree .

7 0
3 years ago
Getyour pointsssssssssssssssssssssss
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Answer:

thankkkk youuuu soo muchhh

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25 km/hr I hope this helps;)
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