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Sladkaya [172]
3 years ago
12

Which statement best describes how a wave would move differently through a pot of boiling water than the steam created from it?

The wave would move faster through the water than through the steam. The wave would move slower through the water than through the steam. The wave would move the same speed through the water and the steam. The wave would move through the water and steam at the same speed, but decrease in speed at the transition point.
Physics
2 answers:
timama [110]3 years ago
5 0

Answer:

The wave would move faster through the water than through the steam

Explanation:

A mechanical wave is a wave that is transmitted through the oscillations of the particles in a medium. The closer the particles in the medium are, the more efficient the transmission of the wave is (because the collisions between the particles are more frequent), and so the faster the wave.

For this reason, mechanical waves travel faster in liquids (such as water) than in gases (such as the steam): because particles in liquids are closer together than in gases, where they are more spread apart. Therefore, the correct choice is

The wave would move faster through the water than through the steam

quester [9]3 years ago
4 0
Your answer would be option A
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A bicycle accelerates from rest to 6 m/s in 2 s. What is the bicycle's acceleration?
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why does earth orbit the sun rather than any other body in the solar system? a) the mutual repulsions among all the planets hold
ElenaW [278]

Answer: c) the sun is the most massive object; gravitational attraction is related to mass.

Explanation:

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F =\frac{GMm}{r^2}

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All the planets including Earth revolve around the Sun because its the most massive object in the neighborhood and thus has high gravitational pull. This gravitational pull of Sun keeps the Earth in its orbit around it.  

Hence, the correct answer is earth orbit the sun rather than any other body in the solar system because c) the sun is the most massive object; gravitational attraction is related to mass.

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3 years ago
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Exercise 1 - Questions 1. Hold the grating several inches from your face, at an angle. Look at the grating that you will be usin
choli [55]

Answer:

1) on the surface you can see the slits with equal spacing, on the one hand and on the other hand it is smooth.

2)If the angle is zero we see a bright light called undispersed light

For different angles we see the colors of the spectrum

3) must be able to see the well-collimated light emission source

Explanation:

1) A diffraction grating (diffraction grating) is a surface on which a series of indentations are drawn evenly spaced.

These crevices or lines are formed by copying a standard metal net when the plastic is melted and after hardening is carefully removed, or if the nets used are a copy of the master net.

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The number of lines per linear mm determines which range of the spectrum a common value can be observed to observe the range of viable light is 600 and 1200 lines per mm.

2) when looking through the diffraction grating what we can observe depends on the relative angle between the eye and the normal to the network.

If the angle is zero we see a bright light called undispersed light

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3 0
4 years ago
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Svetllana [295]

Answer:

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3 years ago
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You and a friend are playing with a bowling ball to demonstrate some ideas of Rotational Physics. First, though, you want to cal
RideAnS [48]

Answer:

K_{total} = 19.4 J

Explanation:

The total kinetic energy that is formed by the linear part and the rotational part is requested

         K_{total} = K_{traslation}  + K_{rotation}

let's look for each energy

linear

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rotation

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the moment of inertia of a solid sphere is

       I = 2/5 m r²

we substitute

       K_{total} = ½ mv² + ½ I w²

           

angular and linear velocity are related

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we substitute

           K_{total} = ½ m w² r² + ½ (2/5 m r²) w²

           K_{total} = m w² r² (½ + 1/5)

           K_{total} = \frac{7}{10} m w² r²

let's calculate

           K_{total} = \frac{7}{10}   6.40 16.0² 0.130²

           K_{total} = 19.4 J

6 0
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