3 years ago

Energy density and pressure have the same dimensions. Comment.

Physics

1 answer:

tiny-mole [99]3 years ago

4 0

Options? where the options?

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Using the mirror formula.

1/v + 1/u = 1/f

1/9.5 + 1/3.2 = 1/f

1/f = 3.2 + 9.5 / 9.5 * 3.2

1/f = 4.82 cm

Radius = 2f

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3 years ago

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2 years ago

From what height must an oxygen molecule fall in a vacuum so that its kinetic energy at the bottom equals the average energy of

alexandr1967 [171]

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The value is $h = 11930 \ m$

Explanation:

From the question we are told that

The temperature is $T = 300 \ K$

Generally the root mean square speed of the oxygen molecules is mathematically represented as

$v = \sqrt{\frac{3 * R * T }{M} } = \sqrt{ 2 * g * h }$

Here R is the gas constant with a value $R = 8.314 \ J\cdot K^{-1} \cdot \ mol^{-1}$

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3 years ago

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antiseptic1488 [7]

Using p = mv 3 = 1× v v = 3m/s

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What is the theory behind a ticker tape lab?

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