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masha68 [24]
3 years ago
15

Read the passage.

Physics
2 answers:
nevsk [136]3 years ago
7 0

Answer:

d in my opinion is the most opitmal answer

Explanation:

aka a graph comparing distances traveled by objects thrown on Earth and the moon

Reil [10]3 years ago
7 0

Answer:

Its d

Explanation:

a graph comparing distances traveled by objects thrown on Earth and the moon

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A space vehicle approaches a space station in orbit. The intent of the engineers is to have the vehicle slowly approach, reducin
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Answer: The total momentum before the docking maneuver is mV_{1}+MV_{2} and after the docking maneuver is (m+M) U

Explanation:

Linear momentum p (generally just called momentum) is defined as mass in motion and is given by the following equation:  

p=m.v  

Where m is the mass of the object and v its velocity.

According to the conservation of momentum law:

<em>"If two objects or bodies are in a closed system and both collide, the total momentum of these two objects before the collision </em>p_{i} <em>will be the same as the total momentum of these same two objects after the collision </em>p_{f}<em>". </em>

<em />

p_{i}=p_{f}

This means, that although the momentum of each object may change after the collision, the total momentum of the system does not change.

Now, the docking of a space vehicle with the space station is an inelastic collision, which means both objects remain together after the collision.

Hence, the<u> initial momentum</u> is:

p_{i}=mV_{1}+MV_{2}

Where:

m is the mass of the vehicle

V_{1} is the velocity of th vehicle

M is the mass of the space station

V_{2} is the velocity of the space station

And the <u>final momentum</u> is:

p_{f}=(m+M)U

Where:

U is the velocity of the vehicle and space station docked

6 0
3 years ago
Read 2 more answers
What is the net force on a 50-newton weight hanging on a string tied to the ceiling?
Lady bird [3.3K]
The net force on the hanging object is zero. If it were not zero, then the object would be accelerating in some direction.
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Which of these words describes humans
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Human are eurkaryotic.  Eukaryotes are organisms that have cells with a nucleus.  Prokayotes are cells without a nucleus.  Protists are eukaryotic but they are usually single cellular. Also, human are not fungus.  Fungus cannot move and have to get food from its surrounding area.
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Answer:

D. Frozen water is less dense than liquid water.

Explanation:

Titanic sank in the North Atlantic Ocean in the year 1912. There were more than 2000 passengers on board from which about 1500 died.

Frozen water that is ice has less density than liquid water. The density of ice is 0.9167 g/cm^3 and the density of the water is 0.9998 g/cm^3.

Due to this very slight difference in density, ice floats on water. Titanic, on the night of April 14, 1912, crashed into an iceberg around midnight which caused opening of 5 of its watertight compartments. The water filled into the ship and it eventually sank in.

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