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larisa [96]
3 years ago
10

Which of the following objects is usually the smallest?

Physics
2 answers:
Stels [109]3 years ago
8 0
I would say comet is the smallest  and the sun is the biggest 
Deffense [45]3 years ago
3 0

b. comets

Although comets appear very large when they are near the Sun because of the large dust cloud that follows behind them, they are actually the smallest of the objects listed.

Comets typically have a diameter of less than 6 miles, which is much smaller than the typical diameter of the other objects listed above.

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Answer:

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Explanation:

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2 years ago
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The absence of external force in the outer space, allows the piece of rock to continue moving at the same velocity for thousands of years.

<h3>Absence of external force on the outer space</h3>

The outer space is almost an absolute vacuum, because it's nearly empty. There is no matter such as air in the outer space that will provide an external force needed to change the velocity of the piece of rock.

From Newton's first law of motion, an object in a state of rest or uniform motion in a straight line, will continue in that state unless it is acted upon by an external force.

Thus, the absence of external force in the outer space, allows the piece of rock to continue moving at the same velocity for thousands of years.

Learn more about outer space here: brainly.com/question/24701339

7 0
2 years ago
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My name is Ann [436]

Answer:

Relation between initial speed of bullet and height h is given as

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Explanation:

As we know that system of block and bullet swings up to height h after collision

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Now we also know that there is no force on the system of bullet + block in the direction of motion

So we can use momentum conservation

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