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svet-max [94.6K]
3 years ago
9

Why would someone rub their hands together really fast when they are cold

Physics
1 answer:
Alex3 years ago
8 0
To create heat when skin is rubbed fast is makes heat

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Which answer correctly describes the grey lines in this Hering illusion? (Optical Illusions Lesson)
Ratling [72]

The answer that correctly describes the grey lines in this Hering illusion is "The grey lines are bent." Option A. This is further explained below

<h3>What is the Hering illusion?</h3>

The Hering Illusion is one of several illusions in which a major component of a basic line picture is obscured.

In conclusion, The statement for the grey lines in this Hering illusion is "The grey lines are twisted.".

Read more about Hering illusion

brainly.com/question/9088833

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4 0
2 years ago
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nikdorinn [45]

Answer: D) Earthquake

<em>I hope this helps, and Happy Holidays! :)</em>

5 0
3 years ago
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Which component of a galaxy is often found between the stars and looks like a cloud or smoke?
slava [35]

Answer:

Hey I would say Dust

hope this helped

5 0
2 years ago
d. The force is doubled and the object’s mass is halved? 18. ||| A man pulling an empty wagon causes it to accelerate at 1.4 m/s
Harrizon [31]

Answer:

a' = 0.35 m/s^2

Explanation:

Let say the empty wagon has mass "M"

now by newton's II Law we will have

F = Ma

now it is given that empty wagon is pulled with acceleration 1.4 m/s/s

now we will have

F = 1.4 M

now a child of mass three times the mass of wagon is sitting on the empty wagon

so here we have

F = (M + 3M) a

1.4 M = 4M a'

so we have

a' = 0.35 m/s^2

8 0
3 years ago
What is the answer to this question
scoundrel [369]

Answer: A

Explanation:

Molecules speed up as heat is added

For example when water is heated as the water gets hotter the molecules speed up causing the water to boil and change phases into a gas (this is called evaporation)

In an ice cube the water molecules are frozen (barely moving compressed tight together) as the ice cube heats up the molecules start speeding up and moving further apart as the ice cube turns into liquid form. So as heat is added molecules speed up, move faster and spread further apart

7 0
3 years ago
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