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Cloud [144]
4 years ago
13

A squirrel on a table clothesline is running 3.4 m./s. How far does the squirrel go in 2.5 minutes

Physics
1 answer:
statuscvo [17]4 years ago
5 0
2.5 that would be the corect answer hope this helps
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What frequency is received by the ambulance after reflecting from a wall near the person watching the oncoming ambulance (as in
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Answer:

f=896Hz

Explanation:

Given data

Vs(speed of the ambulance)={(104 km/h)*(1000m*(1 h/3600)}=28.9m/s

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v(speed of sound)=345 m/s

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To find

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Solution

From Doppler effect

f^{i}=(\frac{v+v_{o} }{v-v_{s} })f

As the ambulance approaches the we assign a positive sign for speed "vs" of the ambulance

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f^{i}=(\frac{v+0}{v-(+v_{s}) } )f\\f^{i}=(\frac{v}{v-v_{s} } )f

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f^{i}=(\frac{345m/s}{345m/s-28.9m/s} )821Hz\\f^{i}=896Hz

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