PHYSICS MIDDLE SCHOOL

Which property is shown by the rails of a railway track?A) perpendicularity
B) parallelism
C) intersecting lines
D) opposites​

Answers

Answer 1
Answer:

Parallelism is a property shown by the rails of a railway track.

Option B

Explanation:

Parallelism is the property of the lines which do not meet in a plane,  those lines which "do not intersect or touch each other" are parallel to each other.

In the given example, railway lines of railway track are said to be parallel since they are at an equal distance to each point so that the wheels of the train be on track. Since these railway lines do not meet each other even at infinity, they are said to be parallel.
Answer 2
Answer:

Answer:

parallelism

Explanation:

i took the quiz on Edge 2020 and got it right i promise :)

also this question is mostly based on common sense because if two lines will never intersect they are parallel and train tracks will never intersect so they are also parallel and they only word there that has parallel in it is parallelism so the answer has to be parallelism.

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Answers

The only other force acting on the rock would be gravity.
Gravity and ................? matter

Need help with exercises 3,4,5

Will give brainliest!!!

Answers

I pretty sure that 3 is b and 4 is A and 5 I need a full picture

Here is another code for Among Us
MUMFVF

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Answer:

No thanks, but I appreciate the offer.
Ok but I’m good cub ima just type random things now hgghgsjdudvsnkshsvsnsudvsbskusgdvdnsishvsbsishdbdjdhdvdkdhdbdjdbdjdhdb

Subject: Science Why is it important to report experimental results honestly even when the results go against your hypothesis?

Answers

Because if you're not truthful about your results then the science community will never believe anything else you publish even if it's true.

Please help me with this homework

Answers

Sunlight is used to heat up the liquid water so it evaporates, then it becomes the clouds and then it rains
It pokes a hole through the clouds.

Two substances were mixed and there was a color change and small flames. What can you infer happened?A physical property was observed
A chemical change occurred
A change in state from solid to liquid
Matter was destroyed

Answers

A chemical change occurred

Explanation:

There are two types of changes, physical changes and chemical changes:

  • A chemical change occurs when the nature of a substance changes, and new substances are formed. This occurs when the bonds between molecules in the reactants break, and they re-form into new substance. A change in the colors of the substance involved is, for example, a sign that a chemical change occurred
  • A physical change occurs when there is a change in state of a substance, but no new substances are formed. For instance, a physical change is the melting of ice, or the boiling of water, or the condensation of water..

In this problem, two substances are mixed and there is a color change and small flames. The color change indicates the formation of new substances, so a chemical change has occurred. Moreover, the presence of small flames indicates that a chemical reaction has occurred (burning of oxygen), so a new substance has formed, so this is another indication of a chemical change.

#LearnwithBrainly

Answer:

The answer is B. A chemical change occurred

Explanation:

I took the test and got the answer right
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