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Dennis_Churaev [7]
3 years ago
11

Which equation could be rearranged to calculate the frequency of a wave?

Physics
2 answers:
Flauer [41]3 years ago
8 0

Answer:

C. wavelength = speed/frequency

Explanation:  I got it right

34kurt3 years ago
8 0

Answer:

Which equation could be rearranged to calculate the frequency of a wave?

1) wavelength = frequency/speed <<<---CORRECT

2) frequency = wavelength/speed

3) wavelength = speed/frequency

4) frequency = speed x wavelength

Explanation:

2021 EDGE 100% test score

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3 years ago
A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its center. Rotating flywheels provid
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Answer:

8.37*10^5 rpm

Explanation:

Given that rotational kinetic energy = 4.66*10^9J

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Moment of inertia (I) = \frac{1}{2} mr ^2

Rotational K.E is illustrated as (K.E)_{rt} = \frac{1}{2} I \omega^2

\omega = \sqrt{\frac{2(K.E)_{rt}}{I} }

\omega = \sqrt{\frac{2(KE)_{rt}}{1/2 mr^2} }

\omega = \sqrt{\frac{4(K.E)_{rt}}{mr^2} }

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\omega = 87636.04

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Since 1 rpm = \frac{2 \pi}{60}  rad/s

\omega = 8.76*10^4(\frac{60}{2 \pi})

\omega = 836518.38

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What's earths most precious element?
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