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mart [117]
3 years ago
10

The first four steps in the formation of the sun are listed below.

Physics
2 answers:
kati45 [8]3 years ago
7 0
<span>The next logical step in the formation of the sun would be choice B. Nuclear fusion of gases takes place in the center of the nebula. </span>
Airida [17]3 years ago
6 0
(B)Option b is your answer..........
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Which compound has ionic bonding? A. Cl2 B. HF C. CaO D. NO2
GrogVix [38]

the answer is CaO because that's what my homework says is correct


7 0
3 years ago
What energy comes from swinging a bat
hjlf

Answer:

Kinetic Energy

Explanation:

The potential energy is being converted into kinetic energy. The hitter has struck the ball transferring the kinetic energy from the swinging bat to the ball.

8 0
3 years ago
Three bullets are fired simultaneously by three guns aimed toward the center of a circle where they mash into a stationary lump.
earnstyle [38]

Answer:

2,87 * 10^{-3}

Explanation:

When the bullets meet at the center and collide, since momentum is a vectoral quantity, their momentum vectors even up and are sumof zero. Formula of momentum is P = m.v , where m is mass and v is velocity. Let’s name the first two bullets as x,y and the one which mass is unknown as z. Then calculate momentum of x and y:

Px= 5,30 * 10^{-3} * 301 = 1,5953 kg*m/s

Py= 5,30 * 10^{-3} * 301 = 1,5953 kg*m/s

The angle between x and y bullets is 120°, and we know that if the angle between two equal magnitude vectors is 120°, the magnitude of the resultant vector will be equal to first two and placed in exact middle of two vectors. So we can say total momentum of x and y (Px+Py) equals to 1,5953 kg*m/s as well (Shown in the figure).  

For z bullet to equalize the total momentum of x and y bullets, it needs to have the same amount of momentum in the opposite way.

Pz = 1,5953 = m * 554

m = 2,87 * 10^{-3} kg

8 0
3 years ago
Calculate the force experienced by a positive test charge of 8.1 × 10-9 coulombs if the electric field strength is 9.4 × 107 new
Arte-miy333 [17]
The electric force exerted by an electric field of intensity E on a charge q is equal to the product between E and q, so:
F=qE=(8.1 \cdot 10^{-9}C)(9.4 \cdot 10^7 N/C)=0.76 N
5 0
3 years ago
Read 2 more answers
Select the correct answer. Which of the following is true for balancing equations? A. There must be an equal number of atoms of
Sliva [168]
I think it’s B I could be wrong but I tried lol
8 0
2 years ago
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