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masha68 [24]
3 years ago
7

A sound wave travels through water. What best describes the direction of the water particles? The water particles move perpendic

ular to the source of the sound wave. The water particles move in the same direction as the vibrating source of the sound wave. The water particles move in random patterns because the sound is diffracted in many directions. The water particles do not move because the sound wave does not have enough energy.​
Physics
1 answer:
RideAnS [48]3 years ago
4 0

Answer:

b

Explanation:

got it right on edgenuity

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explain why for thousands of years people believed that stars moved across Earth's sky. Explain why we now have a different expl
Anarel [89]

Answer:

Ptolemy proposed a model, he reference system is centered on the Earth

Copernicus, proposed a deferent system,  this system is centered on the Sun, where it is at the origin of the system

Explanation:

Thousands of years ago, Ptolemy proposed a model to explain the movement of the planets and stars in the sky, in this model the reference system is centered on the Earth, so each body is orbiting in different spheres around the Earth as its center, this system had very complicated calculations and curves to be able to explain the orbits of the planets.

More recently Copernicus, proposed a deferent system, this system is centered on the Sun, where it is at the origin of the system, in this system the movement of the planets are ellipses, which is a much simpler explanation and has been widely accepted, in current systems the reference system is fixed in the bodies more massive, since this simplifies the explanation of the movements.

6 0
3 years ago
As a student in a physics lab, you are asked to classify two springs. Right away you notice some differences. The first spring,
strojnjashka [21]

Answer:

C. The spring constant of spring 2 is larger than spring 1.

Explanation:

As we know that spring constant also called the stiffness constant of a spring is the value of force required for the deformation of the spring by a unit length.

Mathematically given as:

k=\frac{F}{\delta x}

where:

k= stiffness constant

F= force on the spring

\delta x= change in length of the spring

It is given in the question that spring 1 is easily compressible and requires less force to compress as compared to spring 2 and hence it has lesser stiffness constant than that of spring 2.

3 0
3 years ago
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