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2 years ago

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A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s2. Determine the mass of the encyc

lopedia.

1 answer:

lina2011 [118]2 years ago

6 0

Answer:

<h2>3 kg</h2>

Explanation:

The mass of the encyclopedia can be found by using the formula

$m = \frac{f}{a} \\$

f is the force

a is the acceleration

From the question we have

$m = \frac{15}{5} \\$

We have the final answer as

<h2>3 kg</h2>

Hope this helps you

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A circuit containing an inductor and a capacitor in series is designed to have a resonant frequency of 4511 Hz. If the inductor

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Answer:

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Explanation:

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That is $\omega L=\frac{1}{\omega C}$

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$\omega =\frac{1}{\sqrt{LC}}$

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So $4511=\frac{1}{2\pi \sqrt{LC}}$

$LC=\frac{1}{4\pi ^2\times 4511^2}$

$LC=1.244\times 10^{-9}$

$C=\frac{1.244\times 10^{-9}}{1.82\times 10^{-3}}=0.6835\times 10^{-6}=6.835\times 10^{-7}F$

So option e is the correct answer

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