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Vikki [24]
3 years ago
8

A car travels at a speed of 40 km/h for 1 1/2 hours. How far does the car travel?

Physics
1 answer:
Iteru [2.4K]3 years ago
7 0
Bouta catch these free points lmaoooo hey grace Im right next to you lololololol 

BUT HEY YALL WE NEED THIS ANSWER ASAP

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Can someone tell me what a free fall is
stepladder [879]

Answer:

free fall is any motion of a body where gravity is the only force acting upon it. In the context of general relativity, where gravitation is reduced to a space-time curvature, a body in free fall has no force acting on it

Explanation:

hope this helped

6 0
3 years ago
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Standing on a bridge, you throw a stone straight upward. The stone hits a stream28.3 m below the point at which you release it2.
Helen [10]

Answer:

MISSING DATA, SPEED AT WHICH IT WAS LAUNCHED OR INITIAL

DISTANCE THAT REACHED UPWARDS

Explanation:

ANYWAY I LEAVE YOU THE LINK, AUÍ AHY MORE INFORMATION ON THE

SUBJECT.

https://gscourses.thinkific.com

4 0
3 years ago
Which is the force of repulsion between two positivity-charged particles?
Yuki888 [10]

Since they are both positively charged, then the force would in fact be repulsion, because they are both the same. If you were to have one positively charged, and one negatively charged, then they would go towards eachother.

I hope this helps, if you need help on this question or any other questions, just ask. I am here to help.

3 0
3 years ago
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What is the upward force that makes things float?
rewona [7]
I think its Buoyancy
8 0
3 years ago
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Los barbijos de tela, a diferencia de los quirúrgicos, poseen una filtración de partículas de aproximadamente 0.000003979 [m]. E
shusha [124]

Answer:

El valor en notación científica es 3.98*10⁻⁶.

Explanation:

La notación científica es una manera rápida de representar un número utilizando potencias de base diez. Esta notación se utiliza para poder expresar muy fácilmente números muy grandes o muy pequeños.

Los números se escriben como un producto:

a*10ⁿ

donde:  

  • a es un número real mayor o igual que 1 y menor que 10, al cual se le agrega un punto decimal después de la primera cifra si se trata de un número que no es entero.
  • n es un número entero, que recibe el nombre de exponente u orden de magnitud. Representa el número de veces que se desplaza la coma. Siempre es un número entero, positivo si se desplaza a la izquierda, negativo si se desplaza a la derecha.

Para escribir el número 0.000003979 en notación científica, se realizan los siguientes pasos:

  • Se mueve la coma decimal hacia la derecha tantos espacios hasta llegar a la derecha del primer dígito.
  • Se escribe entonces este número, que será el coeficiente a en la expresión del producto anterior.  
  • Se escribe la base 10 con el exponente igual a la cantidad de espacios que se mueve la coma. Este es un número negativo porque la coma se desplaza a la derecha.

Entonces, en este caso:

  • a= 3,979 ≅ 3,98
  • n= -6

Entonces,<u><em> el valor en notación científica es 3.98*10⁻⁶.</em></u>

5 0
3 years ago
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