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stepan [7]
3 years ago
7

In which medium does sound travel the fastest?

Physics
1 answer:
AURORKA [14]3 years ago
3 0

Answer:

Solids

Explanation:

The speed of sound is different in different mediums. Among solids, liquids, and gases, sound travels faster through solids. The particles in solids are more closes as compared to liquids and gases.  

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An isotope is a version of the same element that differs in the composition of the A) atom. B) nucleus. C) particle. Eliminate D
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The correct answer is B because isotopes have different numbers of neutrons, and neutrons are located in the nucleus

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3 years ago
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the density of a steel is 7.8.find the mass of steel cube of side 10 cm. find volume of steel if the mass is 8kg​
lukranit [14]

Answer:

Mass of the steel cube =  7800 kg

Volume of the steel  = 1.025 cubic centimetre

Explanation:

Given:

The density of the steel   =  7.8

Side of the cube = 12 cm

<u>(1)The mass of steel cube :</u>

We know that,

Density  = \frac{Mass}{Volume}

We are given with density and sides of the cube

then volume of the cube

= (side)^3

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7.8 = \frac{mass}{1000}

mass = 7.8 \times 1000

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<u>(2)volume of steel:</u>

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Substituting the values

7.8 = \frac{8}{volume}

volume = \frac{8}{7.8}

volume = 1.025 cubic centimetre

3 0
2 years ago
Which possesses the most gravitational potential energy?
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3 years ago
friction force is the opposition to the motion of surfaces sliding across each other. what is one factor that affects the amount
ruslelena [56]

Answer

Nature of the surfaces.


Explanation

Friction is the the force that opposes motion between two surfaces that are in relative motion. If two objects are in contact, one of it or both must be in motion for friction to exist.

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