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3 years ago

Using the Particle Theory, explain why liquids are less compressible than gases.

Physics

1 answer:

AleksandrR [38]3 years ago

5 0

Explanation:

In liquids the particles have more energy. This allows the particles in liquids to roll past each other, but they are still tightly packed. Gases can be compressed because the particles can be forced closer together. The particles in a liquid are already as close as they can be.

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3 years ago

g A has all the mass at the rim, while wheel B has the mass uniformly distributed, like a solid disk. The wheels have the same m

marishachu [46]

Answer:

The second wheel

Explanation:

The torque is given by

$\tau=I\alpha$ (1)

where I is the moment of inertia and a is the angular acceleration. If we take into account the moment of inertia of a disk and a ring ()for the first wheel) we have:

$I_r=mR^2\\I_d=\frac{1}{2}mR^2$

where we used that both wheel have the same mass. By replacing in (1) we obtain:

$\alpha_r=\frac{\tau}{I_r}=\frac{\tau}{mR^2}\\\alpha_d=\frac{\tau}{I_d}=\frac{\tau}{\frac{1}{2}mR^2}=2\alpha_r\\$

Hence, the second wheel (the disk) has a greater acceleration.

hope this help!!

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4 years ago

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Two coherent sources of radio waves, A and B, are 5.00 metersapart. Each source emits waves with wavelength 6.00 meters.Consider

alexgriva [62]

Answer

given,

distance between A and B is equal to 5 m

let x be the distance of loud speaker from the source A

For constructive interference, path difference = mλ

x - (5 - x ) = 0 , for m = 0

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2 x = 5

x = 2.5 cm

For destructive interference

$|x - (5 - x )| = (2 m + 1)\dfrac{\lambda}{2}$

m = 0

$|2x - 5| = \dfrac{\lambda}{2}$

$|2x - 5| = \dfrac{6}{2}$

$\pm(2x - 5) = 3$

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3 years ago

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3 years ago

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kondaur [170]

If you shine a light straight down onto that vector, then the length of its shadow on the x-axis is

x-component = 88 · cosine(13°)

x-component = 88 · (0.9744)

<em>x-component = 85.74</em>

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3 years ago

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