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Ad libitum [116K]
3 years ago
5

A person who studies physics is known as

Physics
2 answers:
Nikitich [7]3 years ago
7 0
Physics is a subject and we all know that it is the part of science as it is a person who studies physics is known as physics student or physics lover.
Leto [7]3 years ago
4 0
Physicists. Welcome :)
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The sound from a single source can reach point O by two different paths. One path is 20.0 m long and the second path is 21.0 m l
aleksandrvk [35]

Answer:

minimum frequency = 170 Hz

Explanation:

given data

One path long = 20 m

second path long = 21 m

speed of sound = 340 m/s

solution

we get here destructive phase that is path difference of minimum \frac{\lambda}{2}

here  λ is the wavelength of the wave

so path difference will be

21 - 20 = \frac{\lambda}{2}  

λ = 2 m

and

velocity that is express as

velocity = frequency × wavelength    .............1

frequency  = \frac{340}{2}  

minimum frequency = 170 Hz

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3 years ago
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2 years ago
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Vikentia [17]

Answer:

1, 2, and 3.

Explanation:

Hello.

In this process, since the phase transitions that require energy are those that pass from a state with less energy or more molecular order to a state with more energy or less molecular order, say, from solid to liquid (melting), from liquid to gas (boiling) and from solid to gas (sublimation), we can conclude that the arrows representing heat energy gained are 1, 2, and 3 since 1 represents boiling, 2 melting and 3 sublimation.

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3 years ago
In the diagram below, a heavy box is being lifted. What is the function of the pulley in this situation?
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3 years ago
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