3 years ago

Radio waves, visible light, and x-rays are exempted of electromagnetic waves that always differ from each other in?

Physics

1 answer:

leva [86]3 years ago

6 0

I think wavelength is the correct answer. Correct me if Im wrong. Hope this helps!

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A neutron star has more mass than a bowling ball,
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The resistivity of a semiconductor can be modified by adding different amounts of impurities. A rod of semiconducting material o

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Explanation:

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2 years ago

Water flowing through a cylindrical pipe suddenly comes to a section of pipe where the diameter decreases to 86% of its previous

Orlov [11]

Answer:

Explanation:

The speed of the water in the large section of the pipe is not stated

so i will assume 36m/s

(if its not the said speed, input the figure of your speed and you get it right)

Continuity equation is applicable for ideal, incompressible liquids

Q the flux of water that is Av with A the cross section area and v the velocity,

so,

$A_1V_1=A_2V_2$

$A_{1}=\frac{\pi}{4}d_{1}^{2} \\\\ A_{2}=\frac{\pi}{4}d_{2}^{2}$

the diameter decreases 86% so

$d_2 = 0.86d_1$

$v_{2}=\frac{\frac{\pi}{4}d_{1}^{2}v_{1}}{\frac{\pi}{4}d_{2}^{2}}\\\\=\frac{\cancel{\frac{\pi}{4}d_{1}^{2}}v_{1}}{\cancel{\frac{\pi}{4}}(0.86\cancel{d_{1}})^{2}}\\\\\approx1.35v_{1} \\\\v_{2}\approx(1.35)(38)\\\\\approx48.6\,\frac{m}{s}$

Thus, speed in smaller section is 48.6 m/s

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2 years ago

What energy transformations take place when you turn on a fan?

Snezhnost [94]

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Electrical energy to kinetic energy

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The transformation that occurs when turning on a fan is electrical energy to kinetic energy.

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