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nydimaria [60]
3 years ago
10

A baseball is thrown a distance of 20 meters what is its speed if it takes 0.5 seconds to cover the distance?

Physics
1 answer:
anastassius [24]3 years ago
6 0
Speed=distance/time
=20m/0.5s
=40ms^-1
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¿Quien desarrolló el método físico experimental?
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El 15 de febrero de 1564 nacía Galileo Galilei (1564-1642). Galileo Galilei es una de las figuras claves de la historia de la Ciencia, pudiéndosele considerar el primero que aplicó el método científico experimental-matemático.

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2 years ago
Two particles with oppositely signed charges nC are placed at two of the vertices of an equilateral triangle with side length 3
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The magnitude of the electric field at the third vertex of the triangle is determined as zero.

<h3>Electric field at the third vertex of the triangle </h3>

The electric field at the third vertex of the equilateral triangle due to the other charges placed on the first and second vertices is calculated as follows;

E = E(13) + E(23)

E = (kq₁)/r² + (kq₂)/r²

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E =  (kq₁)/r² - (kq₂)/r²

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Learn more about electric field here: brainly.com/question/14372859

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5 0
2 years ago
Why is the overall charge of the atom neutral or zero?
MrRissso [65]

Answer:

B

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this is because the neutrons do not have a charge, the things that have charge in an atom are electrons and protons.

and in the nucleus of an atom, there are protons and neutrons so you can see that A is not the answer

if you see the periodic table, you will know that the number of electrons and protons are equal, so the charges cancel each other out, hence the charge of an atom will be neutral

let me give you a tip which I got from my teacher, never write there is no charge in the atom, this suggests that there is no protons or electrons.

instead, write, the it is neutral

hope it helps if not please report it so that someone else gets to try it out

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Which is the BEST description of how eyeglasses work?
Sonbull [250]

Answer:

C I think.

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