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slava [35]
3 years ago
11

Which statement best describes plastic's ability to conduct electricity?

Physics
2 answers:
Nata [24]3 years ago
3 0
<span>They are poor insulators because the electrons in the atom are tightly bound and unable to move between other atoms. 
</span>
Kazeer [188]3 years ago
3 0

The real answer is D... the electrons can move freely between the different energy levels within the atom....

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Lonnie pitches a baseball of mass 0.20 kg. The ball arrives at home plate with a speed of 40 m/s and is batted straight back to
abruzzese [7]

Answer:

B) 20N.s is the correct answer

Explanation:

The formula for the impulse is given as:

Impulse = change in momentum

Impulse = mass × change in speed

Impulse = m × ΔV

Given:

initial speed  = 40m/s

Final speed = -60 m/s (Since the the ball will now move in the opposite direction after hitting the bat, the speed is negative)

mass = 0.20 kg

Thus, we have

Impulse = 0.20 × (40m/s - (-60)m/s)

Impulse = 0.20 × 100 = 20 kg-m/s or 20 N.s

6 0
3 years ago
Why does your boat float but not your ring?
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The air that is inside a ship is much less dense than water. That's what keeps it floating! ... The closer the total density of the ship is to the density of the same volume of water, the greater the amount of the ship that will be in the water.

5 0
3 years ago
C. Move the light bulb back and forth. No matter where the light bulb is located on the central axis, what is always true about
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Answer

It will stay the same!

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If you so happen to move something from left to right, the size of it is not being shrunk or expanded in any type of way, shape, or form.

6 0
3 years ago
Based on the chemical equation, use the drop-down menu to choose the coefficients that will balance the chemical
MaRussiya [10]

The coefficients in order are 2, 1, 1

<h3>What is balanced chemical equation?</h3>

A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge is the same for both the reactants and the products.

In other words, the mass and the charge are balanced on both sides of the reaction.

According to the given situation,

To balance the the chemical equation,

Step 1 - Add a 2 on the Na2HPO4:

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Step 2 -Next take count of each element on both sides to see if the 2 is balanced or not:

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On the right there are 4 Na, 2 H, 2 P, and 8 O

Step 3 - Now we will divide by 2

i.e. 2 NA.H. P

The coefficient of  Na is 2 , Coefficient of H is 1 and Coefficient of P is 1

Therefore,

The coefficients in order are 2, 1, 1.

Learn more about balanced chemical equation here:

brainly.com/question/15052184

#SPJ1

8 0
2 years ago
El foco de un automóvil, previsto para operar con una batería de 12 V, es de 40 W. a) ¿Qué resistencia eléctrica tiene su filame
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Since this is old, im just gonna get these points, don't wan't them to go to waste lm.ao

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