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BartSMP [9]
3 years ago
13

Please help!!! give me a summary on why human population is either good or bad!! thank youu

Physics
1 answer:
bagirrra123 [75]3 years ago
7 0
It is bad because humans are destroying the planet with pollution and cutting down natural habitats. This is not only killing the human population in the future, but as of right now they are killing animals, and trees. The human population is slowly destroying the planet.
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Please help me with my quiz?
alina1380 [7]
The solutions would be :
1. C
2. B
3. A
4. C
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3 years ago
If an object has a constant negative acceleration, what can we assume about the forces on it?
oksian1 [2.3K]
Its slowing down I believe
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The force exerted by electrically changed objects
MAVERICK [17]

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Electrostatic Force...or a non-contact force

Explanation:

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3 years ago
If the second harmonic of a certain string is 42 Hz, what is the fundamental frequency of the string?
sdas [7]
Data:
f_{2} = 42 Hz
n (Wave node)
V (Wave belly) 
L (Wave length)
<span>The number of bells is equal to the number of the harmonic emitted by the string.
</span>
f_{n} =  \frac{nV}{2L}

Wire 2 → 2º Harmonic → n = 2

f_{n} = \frac{nV}{2L}
f_{2} = \frac{2V}{2L} &#10;
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V =  \frac{ f_{2}*2L }{2}
V =  \frac{42*2L}{2}
V =  \frac{84L}{2}
V = 42L

Wire 1 → 1º Harmonic or Fundamental rope → n = 1


f_{n} = \frac{nV}{2L}
f_{1} = \frac{1V}{2L}
f_{1} =  \frac{V}{2L}

If, We have:
V = 42L
Soon:
f_{1} = \frac{V}{2L}
f_{1} = \frac{42L}{2L}
\boxed{f_{1} = 21 Hz}

Answer:

<span>The fundamental frequency of the string:
</span>21 Hz

7 0
3 years ago
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Fd

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6 0
3 years ago
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