3 years ago

What is the name of the covalent compound P4S2?

Physics

2 answers:

Roman55 [17]3 years ago

6 0

Tetraphosphorus disulfide

- R3KTFORGOOD ☕

BaLLatris [955]3 years ago

5 0

Tetraphosphorus disulfide

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Answer:

Part a)

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Part b)

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Part c)

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Explanation:

Part a)

As we know that there is no external torque on the system of two twins

so here we will use

$L = mv r + mvr$

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Part b)

Since angular momentum is conserved here as there is no external torque

so we will have

$2(m v r) = 2( m v' \frac{r}{2})$

$v' = 2v$

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Part c)

Work done by both of them = change in kinetic energy

so we have

$W = 2(\frac{1}{2}mv'^2 - \frac{1}{2}mv^2)$

$W = m(v'^2 - v^2)$

$W = 78(8.60^2 - 4.3^2)$

$W = 4326.7 J$

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