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Shkiper50 [21]
3 years ago
10

What will change the velocity of a periodic wave?

Physics
2 answers:
Gwar [14]3 years ago
7 0
The one that will change the velocity of a periodic wave is : 
B. Changing the medium of the wave
Waves is always determined by the properties of the medium, which means that changing the medium will change the velocity of the wave

hope this helps
dem82 [27]3 years ago
6 0

the one that will change the velocity of a periodic wave is : 

B. Changing the medium of the wave

Waves is always determined by the properties of the medium, which means that changing the medium will change the velocity of the wave



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Two objects are electrically charged. The net charge on one object is doubled. Therefore, the electric force _____.
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If net charge on one object is doubled, then electric force will also get double. It is because they are directly proportional to each other.

Hope this helps!
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3 years ago
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A student has a rectangular block. It is 2 cm wide, 2 cm tall, and 25 cm long. It has a mass of 600 g. First, calculate the volu
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Answer:

6g/cm³

Explanation:

Density is the mass per unit volume of any substance. To solve this problem:

   

   Density  = \frac{mass}{volume}  

 Since mass = 600g

Let us find the volume;

    Volume  = length x width x height

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Therefore;

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3 years ago
A train travelling at 50km/h approaches another train moving towards the first at 90km/h. If they are 35km apart (on a straight
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it will take 36 seconds


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What scientific principle causes the different layers of the earth
Vedmedyk [2.9K]

Answer: The stratification of earth into its geologic layers was brought about by th e formation of the earth iron core.

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3 years ago
If the charges attracting each other in the preceding problem have equal magnitudes,show that the magnitude of each charge is 2.
Schach [20]

Answer:

The magnitude of each charge is 2.82\times10^{-6}\ C

Explanation:

Suppose the two point charges are separated by 6 cm. The attractive force between them is 20 N.

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F=\dfrac{kq^2}{r^2}

Where, q = charge

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Put the value into the formula

20=\dfrac{9\times10^{9}\times q^2}{(6\times10^{-2})^2}

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Hence, The magnitude of each charge is 2.82\times10^{-6}\ C

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