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Mariana [72]
3 years ago
9

Electric energy can be transferred into other types of energy we often experiences transformation of energy in our every day liv

es the example that represents a transformation from electrical to sound energy is
Physics
1 answer:
Damm [24]3 years ago
7 0

An amplifier.

Electrical energy provided to an amplifier is converted into sound energy as it is "fed" or provided to the speaker portion of an amplifier.

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A long string is pulled so that the tension in it increases by a factor of four. If the change in length is negligible, by what
rusak2 [61]

To solve this problem we will apply the concepts related to wave velocity as a function of the tension and linear mass density. This is

v = \sqrt{\frac{T}{\mu}}

Here

v = Wave speed

T = Tension

\mu = Linear mass density

From this proportion we can realize that the speed of the wave is directly proportional to the square of the tension

v \propto \sqrt{T}

Therefore, if there is an increase in tension of 4, the velocity will increase the square root of that proportion

v \propto \sqrt{4} = 2  

The factor that the wave speed change is 2.

3 0
3 years ago
What is the fundamental unit for measuring mass in the metric system ?
goldenfox [79]
Kilogram(kg)
It's not the SI unit of mass in the metric system however.
6 0
3 years ago
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Which of the following statements about elements and atoms is true?
Deffense [45]

Answer:

A. Atoms are the smallest unit of an element.

Explanation:

The correct statement from the given choices is that atoms are the smallest unit of an element.

Atoms are the smallest particles that takes part in chemical reactions and they are made up of protons, neutrons and electrons.

  • Elements are distinct substances that cannot be split up into simpler substances.
  • They are made up of only one kind of atoms.
  • Elements are not changed into atoms by chemical reactions.
  • In chemical reactions, atoms simply recombine.
5 0
3 years ago
Hey guys,I hope u r gonna answer this question fast,SI system is extended from of MKS system.Why? I will be waiting for the answ
DerKrebs [107]

Answer:

Because SI system has fundamental units of MKS System

6 0
3 years ago
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(I have 2 questions which are very similar)
julsineya [31]

Answer:

B

A

Explanation:

please mark as brainliest :)

7 0
3 years ago
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