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aleksley [76]
4 years ago
11

How are physical descriptions and physical properties similar

Physics
2 answers:
elena55 [62]4 years ago
5 0

They are both used to observe and describe matter.

Sophie [7]4 years ago
5 0

Answer:

<u>Physical properties:</u>

The physical properties are the measured set or collection of information regarding any particle compound or element, with out making changes in that compound composition or chemical properties.

  • As, the physical properties include the color,texture,solubility, polarity, and the characteristics or features related to physical properties of that compound.
  • <u>Physical description:</u>

The physical description is the basic way or expressive properties or details which are observed and represent a specific class of compounds, elements or beings in simple words.

  • <u>For example:</u>

The shape of compounds, the phenotype in living beings etc.

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False. They often have a bluish tint.
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It takes 185 kj of work to accelerate a car from 23.0 m/s to 28.0 m/s. what is the car's mass?
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3 years ago
How do think animals grow from babies to adults
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7 0
3 years ago
I would love to stretch a wire from our house to the Shop so I can 'call' my husband in for meals. The wire could be tightened t
dezoksy [38]
Note: I'm not sure what do you mean by "weight 0.05 kg/L". I assume it means the mass per unit of length, so it should be "0.05 kg/m".

Solution:
The fundamental frequency in a standing wave is given by
f= \frac{1}{2L} \sqrt{ \frac{T}{m/L} }
where L is the length of the string, T the tension and m its mass. If  we plug the data of the problem into the equation, we find
f= \frac{1}{2 \cdot 24 m} \sqrt{ \frac{240 N}{0.05 kg/m} }=1.44 Hz

The wavelength of the standing wave is instead twice the length of the string:
\lambda=2 L= 2 \cdot 24 m=48 m

So the speed of the wave is
v=\lambda f = (48 m)(1.44 Hz)=69.1 m/s

And the time the pulse takes to reach the shop is the distance covered divided by the speed:
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7 0
4 years ago
The frequency of a microwave is 1.2 x 10^9 hertz. what is the wavelength of the given problem.
Olenka [21]

Answer:

0.25 m

Explanation:

Electromagnetic waves consist of oscillations of the electric and the magnetic field, oscillating in a plane perpendicular to the direction of motion the wave.

All electromagnetic waves travel in a vacuum always at the same speed, the speed of light, whose value is:

c=3.0\cdot 10^8 m/s

Microwave is an example of electromagnetic waves.

The relationship between wavelength and frequency for an electromagnetic wave is:

\lambda=\frac{c}{f}

where

\lambda is the wavelength

c=3.0\cdot 10^8 m/s  is the speed of light

f is the frequency

For the microwave in this problem,

f=1.2\cdot 10^9 Hz

So its wavelength is

\lambda=\frac{3.0\cdot 10^8}{1.2\cdot 10^9}=0.25 m

7 0
4 years ago
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