4 years ago

Which of the following is not a petroleum product

Physics

1 answer:

serg [7]4 years ago

4 0

D. wool
hope it helped

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3 years ago

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Using the law of conservation of angular momentum, estimate how fast a collapsed stellar core would spin if its initial spin rat

Nataly_w [17]

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$\omega_{f} = 1000000\,\frac{rev}{day}$

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The law of conservation of angular momentum states that angular momentum remains constant when there is no external moment or forces applied to the system. Let assume that star can be modelled as an sphere, then:

$\frac{2}{5}\cdot M\cdot R_{o}^{2} \cdot \omega_{o} = \frac{2}{5}\cdot M\cdot R_{f}^{2} \cdot \omega_{f}$

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$\omega_{f} = \omega_{o}\cdot (\frac{R_{o}}{R_{f}})^{2}$

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3 years ago