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S_A_V [24]
3 years ago
10

A surface wave is a combination of what two waves?

Physics
2 answers:
Elena-2011 [213]3 years ago
8 0

A for sure, just took the quiz:)

kotegsom [21]3 years ago
4 0

transverse and longitudinal

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Each of the four expansion models (recollapsing, critical, coasting, and accelerating) predict different ages for the universe,
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Answer:

This is because the age of the universe is determined by the pace of expansion in the past, and each model forecasts a different pace.

Explanation:

The age of the universe is determined by the pace of expansion in the past, and each model forecasts a different pace.

This is due to the fact that the expansion rate in the coasting model is constant and never changes. Because the cosmos is growing faster now than during the old days, recollapsing and critical models give shorter ages. According to the accelerating model, the universe is growing at a slower rate currently than in the past, implying an older age.

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2 years ago
An ice skater is spinning at 6.00 rev/s with his moment of inertia being 0.400 kg/m2. Calculate his new moment of inertia if he
labwork [276]

Answer:

New moment of inertia will be I=1.92kgm^2

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It is given initially angular velocity \omega =6rev/sec=6\times 2\pi =37.68rad/sec

Moment of inertia I=0.4kgm^2

Angular momentum is equal to L=I\omega =37.68\times 0.4=15.072kgm^2/sec

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As we know that angular momentum is conserved

So 15.072=I\times 7.85

I=1.92kgm^2

So new moment of inertia will be I=1.92kgm^2

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3 years ago
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julsineya [31]
The weight of an object is the force of gravity between Earth's
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v =fλ v = f λ where v

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C

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