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Gwar [14]
3 years ago
14

The Milky Way galaxy contains interstellar matter that may a. Form new galaxies b. Form new stars c. Form new universes D. Form

new constellations
Physics
1 answer:
Nana76 [90]3 years ago
3 0
I think the answer is D but I’m not sure
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Which of these is NOT a type of lever?<br> A. rake<br> B. ramp<br> C. crowbar<br> D. scissors
ICE Princess25 [194]
Rake bc it does not use anything no lever or anything
3 0
4 years ago
Read 2 more answers
Two small, identical conducting spheres repel each other with a force of 0.045 N when they are 0.15 m apart. After a conducting
Levart [38]

Answer:

q_1 = \pm 1.68 \times 10^{-7} C

q_2 = \pm 6.68 \times 10^{-7} C

Explanation:

As we know that the force between two small spheres is given as

F = \frac{kq_1q_2}{r^2}

here we know that

q_1 , q_2 = charges on two small spheres

r = distance between two spheres = 0.15 m

now the force between them is given as

0.045 = \frac{(9\times 10^9)(q_1q_2)}{0.15^2}

q_1q_2 = 1.125 \times 10^{-13}

now when two spheres are connected together then the charge on them is equally divided

q = \frac{q_1+q_2}{2}

now the force between them is given as

F = \frac{k(\frac{q_1+q_2}{2})^2}{0.15^2}

0.070 = \frac{(9\times 10^9)(\frac{q_1+q_2}{2})^2}{0.15^2}

q_1 + q_2 = 8.37\times 10^{-7}

so here we have

q_1 = \pm 1.68 \times 10^{-7} C

q_2 = \pm 6.68 \times 10^{-7} C

5 0
3 years ago
Hi Hi. How are you all?
kap26 [50]

Answer:

Amazing Thanks. What about u?

Explanation:

7 0
3 years ago
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what are 3 CHEMICAL REACTIONS that you personally observed over the last 2 weeks. You should only include chemical reactions tha
Allisa [31]

1).  I started up my car.  Gasoline was spritzed into the cylinders, mixed with air, and then exploded with an electrical spark.  As the gasoline vapor instantly burned in the air, several new things were formed that weren't there before, like carbon dioxide, carbon monoxide, water, and oxides of nitrogen.

2).  I left my dinner on the stove a little too long, and it got a layer of crunchy crackly sooty carbon on the bottom. That part of it didn't taste too good.  This isn't exactly something that happens every day, but more often than I'd like it too.

3).  All day, every day, and all night, every night, about 10 or 20 times every minute, I pull air into my lungs.  I keep it there for a while, then I blow it out and pull in some fresh stuff.  The air I blow out has less oxygen and more carbon dioxide in it than it had when I pulled it in.  That's because of the hundreds of chemical reactions going on inside my body, to keep me alive and functioning.  I hope these keep going on for many many more days in the future.  

6 0
3 years ago
A girl police light on level ground with a force of 45 N at a 30° angle above the horizontal the girl pulls a sled 7.3 m how muc
Naya [18.7K]

Explanation:

W=Fdcos0

=45×7.3cos30

=284.4J

7 0
3 years ago
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