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arlik [135]
4 years ago
14

How do you get: a = -ω^2*x from: a = -Aω^2*sen(ωt) ?

Physics
1 answer:
Firdavs [7]4 years ago
8 0

Answer:

x = Asin(\omega t)\\v = \frac{dx}{dt} = \omega Acos(\omega t)\\a = \frac{dv}{dt} = -\omega^2Asin(\omega t)= -\omega^2x

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Answer:

0.779 mol

Explanation:

Since the gas is in a bottle, the volume of the gas is constant. Assuming the temperature remains constant as well, then the gas pressure is proportional to the number of moles:

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