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luda_lava [24]
3 years ago
6

Stephen wants to make the pitch of a sound wave lower. He should...

Chemistry
2 answers:
tatuchka [14]3 years ago
8 0

Answer:

I would say the answer would be B.

Explanation:

Neporo4naja [7]3 years ago
4 0

Answer:He should. decrease its frequency. Brian turns up the volume on his stereo.

Explanation:

mark me as brainlest

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An object with a mass of 3.2kg has a force of 16.3 newtons to the right and 6.7 newtons to the left applied to it. What is the r
Pepsi [2]

Answer:

3m/s²

Explanation:

Given parameters:

Mass of object  = 3.2kg

Force to the right = 16.3N

Force to the left  = 6.7N

Unknown:

Acceleration of the object  = ?

Solution:

To solve this problem, we use newtons second law of motion;

   Net force  = mass x acceleration

 Net force on object  = Force to the right  - Force to the left

 Net force  = 16.3N  - 6.7N  = 9.6N

    So;

         9.6  = 3.2 x a

              a = \frac{9.6}{3.2}   = 3m/s²

7 0
2 years ago
Why does electronegativity increase as you move across the periodic table
Scrat [10]

Answer:

moving across te periodic table electronegativity increases.

Explanation:

as we move across a period the effective nuclear charge increases as the number of protons in nucleus increases. due to increase in effective nuclear charge electronegativity increases

5 0
3 years ago
What is heating and cooling
melisa1 [442]

make or become hot or warm is heating.

cooling is to become colder or cool down from a higher temp.

6 0
3 years ago
Substances have more kinetic energy in the _______ state than in the _______ state. A. Gas; solid B. Solid; gas C. Solid; liquid
Elodia [21]
Substances have more kinetic energy in the gas state than in the solid state
6 0
3 years ago
Explain the reason potassium was visible when using the cobalt glass. Describe what occured.
Korolek [52]

Explanation:

If potassium is burnt the ions go into a high state of energy. Once they cool, it gives off energy in the form of a visible spectrum which has a characteristic color Now, The cobalt glass blocks out yellow light, and potassium ion which is purple in color is visible.

3 0
3 years ago
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