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Harrizon [31]
2 years ago
12

I need help with 03.01 Playing With Others – President's Challenge Goals

Physics
1 answer:
galben [10]2 years ago
4 0

Answer:

is this like a book orsomthing

Explanation:

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Earth pulls on the Moon with a gravitational force, keeping it in its nearly circular, 27‑day orbit. According to Newton's third
arlik [135]

Answer:

Centripetal Force

Explanation:

The reaction to the earth's pull on the moon is the centripetal force

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2 years ago
A cylinder of mass m is free to slide in a vertical tube. The kinetic friction force between the cylinder and the walls of the t
Lapatulllka [165]

Answer:

x = (mg-f)/k

Explanation:

there are three forces acting on cylinder in a tube, (1) force due to spring = -kx (2) force due to friction = f (3) force due to gravity.

we want to calculate an instant when all three forces acting on mass cancel and there is 0 net force  and cylinder momentiraly comes to stop.

let's write it in mathematics.

kx+f-mg=0 (kx is positive because it is upwards and that is how we have setup our coordinate axis in this problem).

solving for x gives.

x = (mg-f)/k.

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2 years ago
During which type of radioactive decay is the mass number of a nucleus
Ahat [919]

Answer:I think the answer is B. The alpha Deacy but not sure

Explanation:

3 0
2 years ago
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What is a light-year?
Korvikt [17]
It’s the last choice
8 0
3 years ago
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What is the average depth of the oceanic crust? What percentage of our planet does it cover?
kherson [118]

Answer: Oceanic crust, the outermost layer of Earth's lithosphere that is found under ... Sort out the facts and see how deep your knowledge goes in this quiz of the world's oceans. ... They commonly are thin (only about 10 cm [4 inches] thick) and cover a ... km (85 square miles) of seafloor to an average depth of 70 metres (230 feet).

Explanation:

7 0
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