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Alenkinab [10]
3 years ago
9

What force causes rockets to move? ​

Physics
1 answer:
Dominik [7]3 years ago
7 0

Answer:

in rocket flight become balance and unbalanced sometimes

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True or false: A friend tells you to walk 1 mile to get to their house. This is an example of a scalar quantity
Nadusha1986 [10]

Answer:

True

Explanation:

This the exact example I went over with my class during school and he said it word from word

5 0
3 years ago
When sediment created by weathering and moved by erosion settles in a different location due to gravity
Stolb23 [73]

Answer:

Deposition

Explanation:

3 0
3 years ago
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Which of the following best summarizes the quantum model of atoms?
Lelechka [254]
I believe it is A. Electrons reside in known positions in fixed orbits around the nucleus
6 0
3 years ago
A cylinder is filled with 10.0 L of gas and a piston is put into it. The initial pressure of the gas is measured to be 163. kPa.
alexgriva [62]

Answer:

P₂  = 370 kPa

Explanation:

Boyle's  law: States that the volume of a given mass of gas is inversely proportional to its pressure provided the temperature remains constant. It can be expressed mathematically as,

P₁V₁ = P₂V₂................ Equation 1

Where P₁ = Initial Pressure, V₁ = Initial volume, P₂ = Final Pressure, V₂ = Final Volume.

Making P₂ The subject of the equation above,

P₂ = P₁V₁/V₂..................... equation 2

Substituting these vaues into equation 2,

Where P₁ = 163 kPa = 163000 pa, V₁ =  10 L, V₂ = 4.4 L.

P₂ = 163000(10)/4.4

P₂ = 370454.55 Pa

P₂ = 370000 Pa

P₂  = 370 kPa To 3 significant figure.

Therefore Final pressure = 370 kPa

6 0
3 years ago
_________ is the point on which a lever resets
Sergio [31]

Answer:

the answer is fulcrum because

Explanation:

lever is a simple machine consisting of a bar that rotates around a fixed point. The fixed point of a lever is called the fulcrum. Like other machines, a lever makes work easier by changing the force applied to the machine or the distance over which the force is applied

6 0
2 years ago
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