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kaheart [24]
3 years ago
12

Monitoring systems may use ____, which are devices that respond to a stimulus (such as heat, light, or pressure) and generate an

electrical signal that can be measured or interpreted.
Physics
1 answer:
Agata [3.3K]3 years ago
4 0

Answer:

idk

Explanation:

Pay attention more kid

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What happends when you slowly pull out the paper while theirs a coin on top​
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A submarine can detect an approaching enemy submarine using sonar. If a stationary submerged submarine emits a 100kHz tone and r
kotegsom [21]

Answer:

B) 1.5 m/s

Explanation:

The apparent frequency will be enhanced due to Doppler effect

If f be the apparent frequency , F be the real frequency  , V be the velocity of sound and v be the velocity of approaching submarine then f is given by

f = F \frac{V+v}{V-v}\\

\frac{f}{F} =\frac{V+v}{V-v}\\  

\frac{f}{F}-1  =\frac{V+v}{V-v}-1\\

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200=\frac{2\times v\times 100\times 1000}{1482-v}\\  

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7 0
3 years ago
The force of Earth's gravity pulls down on a stone after someone tosses it off a cliff. What is the "equal and opposite force" d
Lapatulllka [165]

The equal and opposite force is the force of the stone's gravity pulling up on thy Earth.

<u>Explanation</u>:

                                      F_{AB} = - F_{BA}

  • When someone tosses a stone off a cliff, the force of gravity of Earth pulls down and the force of the stone's gravity pulls up on the Earth due to the equal and opposite reaction exerted between the Earth and the stone.
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3 0
2 years ago
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