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Paha777 [63]
3 years ago
15

The interstellar medium is composed of ________.

Physics
1 answer:
PolarNik [594]3 years ago
3 0
THE INTERSTELLAR MEDIUM COMPOSED GAS AND DUST  
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A compact car has a mass of 1380 kg . Assume that the car has one spring on each wheel, that the springs are identical, and that
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Answer:

A) k=34867.3384\ N.m^{-1}

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Explanation:

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A)

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We knkow the formula for spring oscillation frequency:

\omega=2\pi.f

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\sqrt{\frac{k_{eq}}{1380} } =2\times \pi\times 1.6

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Now as we know that the springs are in parallel and their stiffness constant gets added up in parallel.

<u>So, the stiffness of each spring is (as they are identical):</u>

k=\frac{k_{eq}}{4}

k=\frac{139469.3537}{4}

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B)

given that 4 passengers of mass 70 kg each are in the car, then the oscillation frequency:

\omega'=\sqrt{\frac{k_{eq}}{(m+70\times 4)} }

\omega'=\sqrt{\frac{139469.3537}{(1380+280)} }

\omega'\approx84\ Hz

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