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Lapatulllka [165]
3 years ago
14

How do you think each firefighting method affects the chemical reaction involved in wildfires

Physics
1 answer:
Jobisdone [24]3 years ago
6 0

Answer:

I think it effects it by how the fire being a chemical reaction since it has gas in it, it effects it by how the water pputs it out, and it stopping the chemical reactions

Explanation:

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When a 100-N force acts horizontally on an 8.0-kg chair, the chair moves at a constant speed across the level floor. Which state
TiliK225 [7]

Answer:

The applied force is greater than the frictional force.

Explanation:

the chair moves at <u>a constant speed</u><u> </u><u>therefore</u><u>,</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>not</u><u> </u><u>A</u><u> </u><u>or</u><u> </u><u>C</u><u>.</u>

if there is no friction then the chair <u>would accelerate and it would not be at a constant speed</u><u>.</u>

hence, the only possible answer is B.

7 0
3 years ago
What is a pure substance
irina [24]
A pure substance is a substance that is made with only one type of molecule
3 0
3 years ago
The shape of a planet's orbit is influenced by gravity.
stiks02 [169]

Answer:

True

Explanation:

Gravity is a very important force. Every object in space exerts a gravitational pull on every other, and so gravity influences the paths taken by everything traveling through space. It is the glue that holds together entire galaxies. It keeps planets in orbit.

6 0
3 years ago
Read 2 more answers
An object weighs 100 newtons on earth.What is its weight on the moon?
Pachacha [2.7K]

Answer:

a) The gravitational acceleration at the surface of the Moon is g moon=1.67 m/s  

2

The ratio of weights (for a given mass ) is the ratio of g-values, so  

W  

moon

​  

=(100N)(1.67/9.8)=17N.

(b) For the force on that  object caused by Earth's gravity to equal 17 N, then the free fall acceleration at its location must be  

ag

​  =1.67m/s  

2

 . Thus , .

ag

= r  2

Gm

E

⇒  

a  

g

Gm  

=1.5×10  

7

m

So the object would need to be a distance of r/R  

E

​  

=2.4 "radii" from Earth's center.

4 0
3 years ago
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3. What is the potential energy of a 8 Newton book sitting on a shelf that is 12 meters high?​
Svetradugi [14.3K]

Answer:

P = 96 J

Explanation:

Given that,

Weight of the book, W = mg = 8 N

It is placed at a height of 12 m

We need to find the potential energy of the book. The potential energy of an object is given by the formula as follows :

E = mgh

mg = Weight

E=8\ N\times 12\ m\\E=96\ J

So, the potential energy of the book is 96 J.

8 0
4 years ago
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