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svet-max [94.6K]
3 years ago
6

You leave your bicycle out in the rain and it rust is a physical or chemical change

Physics
2 answers:
Alexxx [7]3 years ago
3 0
It’s a chemical change
ivann1987 [24]3 years ago
3 0

Answer:

The process when the iron rusts in the rain is a chemical change.Since the iron is exposed to oxygen and water. Generally, in my opinion it's not a good idea to leave your bicycle in the rain,it'll start with chain,it can spread to other parts of a bicycle,so dont do that.

Good luck!

Intelligent Muslim,

From Uzbekistan.

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A crate filled with delicious junk food rests on a horizontal floor. Only gravity and the support force of the floor act on it,
stealth61 [152]

The words "... as shown ..." tell us that there's a picture that goes along
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4 0
3 years ago
Pourquoi doit on toujours préciser le référentiel dans le quel est étudié le mouvement d'un système?
Vedmedyk [2.9K]

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The movement of an object depends on the reference frame, so it is important to predicate it.

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4 0
2 years ago
Se colocan tres objetos, muy cerca uno del otro, dos al mismo tiempo. Cuando se juntan los objetos A y B, se repelen. Cuando se
docker41 [41]

Answer:

Los objetos A y C tienen cargas del mismo signo (opcion a)

Explanation:

Hay dos tipos de cargas : cargas positivas y cargas negativas.

La Ley de Coulomb dice que la fuerza electrostática entre dos cargas puntuales es proporcional al producto de las cargas e inversamente proporcional al cuadrado de la distancia que las separa, y tiene la dirección de la línea que las une y se cumple que:

  • La fuerza ejercida sobre una carga apunta hacia la otra cuando las dos tienen distinto signo (fuerza atractiva).
  • El sentido de la fuerza se dirige hacia el lado opuesto de la carga cuando ambas tienen el mismo signo (fuerza repulsiva).

Es decir que las cargas de igual signo se repelen, mientras que las de diferente signo se atraen.

Entonces, si se juntan los objetos A y B y se repelen significa que la carga es del mismo signo.

Cuando se acercan los objetos B y C, se repelen. Entonces significa que posee carga de igual signo.

Por lo que podes concluir que <u><em>los objetos A y C tienen cargas del mismo signo (opcion a)</em></u>

8 0
2 years ago
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