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Stella [2.4K]
3 years ago
15

PLEASE I NEED HELP ASAPPPP

Physics
2 answers:
lesya692 [45]3 years ago
7 0


1. 4

2. carbon

3. Bond

blondinia [14]3 years ago
5 0
1. Each carbon atom has 4 valence electrons for forming bonds. 
2. C<span>arbon atoms can bond with carbon atoms and with other elements in many different ways. 
3. A(n) bond is the force that holds two atoms together. 
Hope I helped, and good luck! (:</span>
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a car travels 10 miles east in 30 minutes. what is its velocity in miles per hour. what is its velocity in miles per hour?
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3 years ago
A watering can is most likely measured in which metric unit
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3 years ago
Will plane flat mirror will make a real or virtual image?<br> Real<br> Virtual
nikdorinn [45]
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8 0
3 years ago
When the number of atoms on the right side a chemical equation matches the number of atoms on the left side of a chemical equati
Hitman42 [59]

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Balanced.

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7 0
2 years ago
A 1.00 kg object moving in the + x direction at 10.0 m/s collides with a 1.50 kg object traveling at 5.00 m/s in the - x directi
marysya [2.9K]

Answer:

The amount of kinetic energy lost during the collision is 60.75 J

Explanation:

The given parameters are;

The mass of the object moving in the +x direction, m₁ = 1.00 kg

The velocity of the object moving in the +x direction, v₁ = 10.0 m/s

The mass of the object moving in the -x direction, m₂ = 1.50 kg

The velocity of the object moving in the +x direction, v₂ = 5.00 m/s

The final velocity of the 1.00 kg mass after collision, v₃ = 4.00 m/s

The direction of motion of the 1.00 kg mass after collision = -x direction

The total initial kinetic energy of the system, K.E._{total \ initial} = 1/2·m₁·v₁² + 1/2·m₂·v₂²

∴ K.E._{total \ initial}  = 1/2×1.00×10² + 1/2×1.50×5² = 68.75 J

The final kinetic energy of the system, K.E._{final}  = 1/2·m₁·v₃²

K.E._{final} = 1/2×1.00×4² = 8 J

The amount of kinetic energy lost during the collision, \Delta K.E._{system} is given as follows;

\Delta K.E._{system} =  K.E._{final} -K.E._{total \ initial} = 8 J - 68.75 J = -60.75 J

The amount of kinetic energy lost during the collision = 60.75 J.

7 0
3 years ago
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