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3 years ago

Which term describes a rock that formed from cooling molten rock?

Physics

2 answers:

Talja [164]3 years ago

7 0

I thinks it Igneous Rocks?!

Sedbober [7]3 years ago

5 0

Material called magma is formed deep withing the Earth. lava (magma that reaches the surface) cools and hardens at the Earth's surface. this region contains igneous rocks or metamorphic rocks.

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Why is traveling between the stars (by creatures like us) difficult?

mariarad [96]

Answer:

Stars are at large distances that even light takes thousands of years to reach us from there.

for example, alpha centauri is 4300 light years away from earth and it is considered the nearest star to us, this means that light from there takes 4300 years to reach us and with a spaceships that can move with the speed of light is would take us 4300 years to get there which is imposible to live for that long.

hence, it is difficult to move between the stars.

4 0

3 years ago

Which of the following is a device that uses an inclined plane?

Mnenie [13.5K]

Answer:

A and B

Explanation:

5 0

3 years ago

Read 2 more answers

how can you tell, as you walk close to a parked car, if it had been running recently? describe your reasoning in terms of energy

Blababa [14]

This question is probably referring to heat energy transferring from the car to its surroundings.

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3 years ago

The magnetic domains in a non-magnetized piece of iron are characterized by which orientation

mel-nik [20]

The unmagnetized pieces of iron would be randomly pointing to directions, this is true because although influenced with the magnetic domain, the direction of the unmagnetized iron field of attraction is not uniform or does not have preferred direction.

3 0

3 years ago

What happened to the weight of an object when it is taken from Earth to the Moon? why?

Sholpan [36]

Answer:

the weight of the object decreases when it is taken from the Earth to the Moon

Explanation:

The weight of an object is defined as the product of the mass of the object with the acceleration due to gravity of the Planet.

$W =mg$

where,

W = weight of the object

m = mass of the object

g = acceleration due to gravity on the planet

The mass of an object remains constant everywhere in the universe. Therefore, the weight is directly proportional to the value of acceleration due to gravity.

The value of acceleration due to gravity on the Moon is lesser than its value on the Earth.

Hence, the weight of the object decreases when it is taken from the Earth to the Moon

6 0

3 years ago