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GarryVolchara [31]
3 years ago
12

What do mechanical waves carry?

Physics
1 answer:
Wewaii [24]3 years ago
7 0
A mechanical wave is a wave that is not capable of transmitting its energy through a vacuum. Mechanical waves require a medium in order to transport their energy from one location to another. A sound wave is an example of a mechanical wave.
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An old theory about the position of planets and the sun in the galaxy has been replaced by a new theory. Which of these statemen
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I believe the answer is "The new theory is an explanation accepted worldwide."
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3 years ago
A water rocket uses an amount of water and pressurized air to send a plastic rocket several feet into the air. As the water and
Ilya [14]

Answer:

D.

For every action there is an equal and opposite reaction.

Explanation:

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6 0
3 years ago
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vekshin1

Answer:

its b

Explanation:

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5 0
3 years ago
The Bernoulli principle states that the pressure inside a liquid increases with depth:
Vera_Pavlovna [14]
<h2>Answer: B. False</h2>

Explanation:

According to Bernoulli's principle:

<em>"In an ideal fluid (not viscous and without friction) that circulates through a closed conduit, the energy the fluid possesses remains constant along its path." </em>

From there, Bernoulli deduced that the fluid pressure decreases when the flow rate increases. <u>And this has nothing to do with depth. </u>

<u> </u>

To understand it better:

In a fluid that circulates through a closed conduit (a pipe for example), it contains energy in two ways:

-Kinetic energy due to its <u>weigh</u>t and <u>speed. </u>

-Potential energy in the form of <u>pressure. </u>

Now, if the system has constant flow and the total energy (kinetic + potential) is also constant, <u>the energy is transformed every time the transverse area of ​​the tube is modified. </u>

It should be noted that by modifying this transverse area, the flow rate is also modified.

Therefore, <u>as the kinetic energy increases or decreases, this change is compensated by the decrease or increase in pressure</u> (potential energy), since the total energy of the system cannot be created or destroyed.

7 0
4 years ago
is a 1.5 V battery is connected in a simple circuit to a lightbulb with a resistance of 8 Ohms the amount of current flowing thr
adoni [48]
.1875 Amperes. 
V=IR  1.5v=8Ω*I
I= .1875 A
6 0
4 years ago
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