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4 years ago

8

A tuning fork is struck and is vibrating at a single frequency. If a second tuning fork with the same frequency is placed near t

he first it begins to vibrate. This is an example of _____.
resonance
forced vibration
beats
Doppler effect

2 answers:

irina1246 [14]4 years ago

6 0

Forced Vibration hope this helps :P

gladu [14]4 years ago

4 0

It is not forced vibrations just turned it in and was wrong.

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Answer:

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Explanation:

Given that,

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Distance = 0.300\ m

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$E=\dfrac{4.00\times10^{-3}}{0.300}$

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(b). We need to calculate the maximum magnetic field strength in the electromagnetic wave

Using formula of the maximum magnetic field strength in the electromagnetic wave

$B=\dfrac{E}{c}$

Put the value into the formula

$B=\dfrac{0.0133}{3\times10^{8}}$

$B=4.433\times10^{-11}\ T$

(c). We need to calculate the wavelength of the electromagnetic wave

Using formula of wavelength

$c=f\lambda$

$\lambda=\dfrac{c}{f}$

Put the value into the formula

$\lambda=\dfrac{3\times10^{8}}{1.00}$

$\lambda=3\times10^{8}\ m$

Hence, (a). The maximum electric field strength is 0.0133 V/m.

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(c). The wavelength of the electromagnetic wave is $3\times10^{8}\ m$

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