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Alexxx [7]
3 years ago
8

Answer this plzzzzzzzzzzzzz

Physics
1 answer:
Arlecino [84]3 years ago
5 0
67 is the answer . jen did
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An electric current is flowing through a long cylindrical conductor with radius a. The current density J is uniform in the cylin
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Answer:

Check the explanation

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What is the name of the process in which oceanic crust moves apart at mid-ocean ridges due to convention currents in the mantle?
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A space station, in the form of a wheel 140 m in diameter, rotates to provide an "artificial gravity" of 3.90 m/s2 for persons w
Zigmanuir [339]
Radial acceleration is given by

a_{rad}= \frac{v^2}{r}
where 

v=r \omega
then

a_{rad}= \frac{r^2 \omega^2}{r}=r\omega^2

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70\omega^2=3.90 \frac{m}{s^2}  \\  \\ \omega= \sqrt{ \frac{3.9}{70} }

Using the relation

\omega=2 \pi f

2 \pi f= \sqrt{ \frac{3.9}{70} }\\  \\ f= \frac{1}{2 \pi}\sqrt{ \frac{3.9}{70} }Hz

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8 0
3 years ago
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Aneli [31]

Answer:

Radiation heat energy transfer

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What is the power of 10 when 0.00503 is written in scientific notation
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