3 years ago

What's phase changes mean? I can't find it

1 answer:

4 0

The 'phases' are solid, liquid, gas. A change from any one of those to any other one is a phase change. Like melting ice, or evaporating sweat.

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The captain told the passengers that the plane is flying at 450 miles per hour. This information describes the plane's

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The speed of the plane

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undefinedIn a gasoline engine, the area in the cylinder head where the air-and-fuel mixture is burned is called the

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Combustion chamber

Expalnation

Gasoline engine,

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1. This image shows the various forces acting on a block of rock situated on a rock slope. What does arrow 4 represent?

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Answer:

B. Gravitational force

Explanation:

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In this problem, the arrow labelled with 4 is the only force pointing downward: therefore, it must be the gravitational force.

The other arrows represent:

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2 --> force of friction

3 --> component of the gravitational force perpendicular to the plane

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3 years ago

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A hoop, a solid disk, and a solid sphere, all with the same mass and the same radius, are set rolling without slipping up an inc

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Because it has a smaller inertia (I) value in the explanation in the attached file

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