2 years ago

What is the largest continent

Physics

1 answer:

uysha [10]2 years ago

8 0

Asia is the largest continent.

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3 0

3 years ago

Match the following.

Ksivusya [100]

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La verdad no entendi bien pero igual esta muy bien, Escoge lo que sientas en el corazón

Explanation:

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3 0

3 years ago

An electromagnetic wave with frequency 65.0hz travels in an insulating magnetic material that has dielectric constant 3.64 and r

torisob [31]

Ans: Intensity = I = $5.8 * 10^{-8} W/m^2$

Explanation:
First you need to find out the speed of Electromagnetic wave:

Since
v = $\sqrt{ \frac{1}{\mu\epsilon} }$

v = $\sqrt{ \frac{1}{\mu_r\mu_ok\epsilon_o} }$
$\mu_r = 5.18 \\
\mu_o = 4 \pi * 10^{-7} \\
k = 3.64 \\
\epsilon_o = 8.85 * 10^{-12}$

Plug in the values:
v = $\sqrt{ \frac{1}{(5.18)(4\pi*10^{-7})(3.64)(8.85*10^{-12})} }$
v = $6.9 * 10^7$ m/s

Now that we have "v", we can use the following formula to find the intensity of wave:

$I = \frac{k\epsilon_o*v*E_{max}^2}{2}$

$I = \frac{(3.64)(8.85*10^{-12})
*(6.9*10^7)*(7.20*10^{-3})^2}{2}$

Intensity = I = $5.8 * 10^{-8} W/m^2$

4 0

3 years ago

The inductor in the RLC tuning circuit of an AM radio has a value of 250 mHmH . You may want to review (Pages 857 - 860) . Part

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The value of variable capacitor is $1.89 \times 10^{-13}$ F