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3 years ago

Where do most comets in our solar system come from?

Physics

2 answers:

Serggg [28]3 years ago

8 0

The Oort Cloud is where most of our comets come from.

Tasya [4]3 years ago

6 0

Answer:

the Kuiper Belt, and the Oort Cloud

Explanation:

Comets spend most of their lives far away from the sun in the distant reaches of the solar system. They primarily originate from two regions. The Kuiper Belt, and the Oort Cloud

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You travel and average speed of 20 km/h in a straight line to get to your grandmothers house. It takes you three hours to get to

Gekata [30.6K]

$20\,\dfrac{\mathrm{km}}{\mathrm h}=\dfrac x{3\,\mathrm h}\implies x=60\,\mathrm{km}$

5 0

4 years ago

The thickness of 25 pages of a physics textbook is 2 mm. How would you find the thickness, in mm, of 1 page?

melomori [17]

To solve this question, all you have to do is set up a proportion with the information known and the information unknown and solve for the final variable, after setting them equal to each other.

2 mm/25 = ?/1

2/25 = 8/100 = 0.08 mm

1 page of the textbook would be 8 hundredths of a mm.

6 0

3 years ago

if a laboratory balance accurately measures mass on the earth, can it accurately measure it on the moon?

SCORPION-xisa [38]

Yes, a laboratory balance can accurately measure mass on moon also.

Explanation

The work of laboratory balance is to determine the mass of an object.

Generally, a laboratory balance consists of two pans and it determines the mass of an unknown object by reference with a known mass object.

Also the mass of any object tends to remain constant in all conditions.

The mass has no effect due to gravitational force unlike weight. So the laboratory balance can work accurately in any environment as the mass will be constant in any case.

Thus, if a laboratory balance measures mass accurately on earth, then it will measure mass accurately on moon also as mass is not dependent on gravitational force.

6 0

4 years ago

In addition to the lyre, which instrument did minnesingers use to accompany their songs?

Gre4nikov [31]

Answer:

In addition to the lyre minnesingers used harp to accompany their songs.

Explanation:

4 0

3 years ago

Certain materials can become superconductors under what conditions?

tresset_1 [31]

Option (b) is correct. The certain materials can act as superconductors at a very low temperature.

Explanation:

The Superconductivity of a material is the property of the particular substance to provide no resistance to the path of the current through it. The current does not face any hindrance due to the motion of the other particles inside the conductor.

The superconductivity of a substance leads to the flow of current through the substance or the material without any hindrance. The resistance of a substance is due to the motion of the particles inside it. If all the motion occurring inside the substance are seized, there will be no resistance offered by the conductor.

Therefore, the superconductivity can be defined as the state where all the motions inside the a material are seized. This occurs at a very low temperature. The absolute zero temperature $(0\text{ K or }-273^\circ\text{ C})$ is regarded as the temperature where there is no motion in any particle.

Thus, Option (b) is correct. The certain materials can act as superconductors at a very low temperature.

Learn More:

1. An electrical shock happens when electric brainly.com/question/3059888

2. A capacitor with capacitance (c) = 4.50 μf is connected to a 12.0 v battery brainly.com/question/8892837

3. Reason for the difference in resistance of bulb brainly.com/question/10421964

Answer Details:

Grade: High School

Subject: Physics

Chapter: Conductivity

Keywords:

material, superconductor, motion, pressure, cold, temperature, substance, material, conditions, superconductivity.

6 0

3 years ago