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notka56 [123]
3 years ago
15

Does anyone have any questions for force and motion? I need questions for speed, velocity, acceleration, distance/time graphs, s

peed/time graphs, newtons laws, and balanced/unbalanced forces.
Physics
1 answer:
Anuta_ua [19.1K]3 years ago
6 0

Answer: I dont have a question but you have a fo.rt.ni.te pfp and Im guessing you play fort so add me my epic is qt-orange im NA_EAST

Explanation:

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Mars2501 [29]

Answer:

  f´ = f (v ±v₀) / (v ⁻₊ v_{s})

Explanation:

This is a doppler effect exercise that is the change of frequency by the relative speed of the emitter and receiver of sound

For the first part, the sound comes out of the sounding device, which is generally removed, so the speed of the emitter is vs = 0 and the receiver (the whale) is moving, so the equation is

               f ”= f ((v ± v₀) / v)

where the sign plus (+) corresponds to the observer moving towards the source that is at rest, f is the frequency emitted by the probe and f” the frequency received by the whale.

In the second part, the waves are reflected by the whale, which becomes the emitter and the receiver that is the probe remains at rest, so the expression is

               d´ = d ”(v / (v ⁻₊ v_{s}))

where the least succor for the source moving towards the observer,

Therefore, the frequency received by the probe (f´) is

              f´ = f ((v ±-v₀) / v) (v / v⁻₊ v_{s}))

              f´ = f (v ±v₀) / (v ⁻₊ v_{s})

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Please help quick i’ll mark you brainly
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