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lozanna [386]
3 years ago
10

What is the magnitude of the force of gravity between to 1000 kg cars which are separated by distance of 25. 0 km on an intersta

te highway? The force between the two cars will be what
Chemistry
1 answer:
kipiarov [429]3 years ago
3 0

Answer:

=1.068 ×10⁻¹³N

Explanation:

Force of gravity =Gm₁m₁/d² where G is the universal gravitation constant =G = 6.673 x 10-11 N m²/kg², m₁ and m₂ is the mass of object 1 and 2 respectively and d is the distance between them. First we change the distance into SI units i.e meters 25 km= 25000 m

F= (6.673 x 10⁻¹¹ N m²/kg²×1000 kg×1000 kg)/ (25000 m)²

=1.068 ×10⁻¹³N

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A small positively charged ball is moved closer to a large, positively charged ball. which describes how the small ball likely r
tankabanditka [31]

Answer:

This is just my guess, but since opposites attract, then im guessing that alikes repel each other. So, they will go away from each other when the ball is released (I think).

Explanation:

Hope this helps! If it did, please mark it as brainliest! It would help a lot! Thanks! :D

7 0
2 years ago
Review the table detailing the mass of Jupiter’s moons and their distance from the planet. Which of Jupiter’s moons has the grea
olga nikolaevna [1]

The correct answer is Lo.  

The gravitational force between the two components is directly equivalent to the product of their masses and is inversely proportional to the distance separated between them. The largest planet in the solar system is Jupiter. It comprises 75 moons, and out of these moons, the four Galilean moons are very big in mass. These are Lo, Europa, Ganymede, and Callisto.  

Of these Galilean moons, the Lo moon is very close to Jupiter. The Ganymede moon is the largest of all the Galilean moons, but it is situated very far from Jupiter in comparison to Lo. Thus, the force of attraction between the Lo and Jupiter is very high, it exhibits the greatest gravitational force with Jupiter.  

8 0
2 years ago
What is the pOH in a solution that has pH = 11.39?
S_A_V [24]

Answer:

2.61

Explanation:

pH+pOH=14, so sub in 11.39 for pOH, then subtract it over to get pH=2.61

if you have any questions, leave them in the comments and i will try to answer them, if this helped, pls give brainliest.

3 0
3 years ago
Read 2 more answers
If 224 g of iron reacts with oxygen, forming
Likurg_2 [28]

Answer: 208g

Explanation: Since 224 grams produces 96 grams more, then 112 grams will produce 208 grams.

8 0
3 years ago
Aplica el método científico. Toma en cuenta que el desplazamiento de un vehiculo , el paso de la electricidad por los cables la
Daniel [21]

Answer:

Revisa con detalle la explicación.

Explanation:

¡Hola!

En este caso, debemos tener en cuenta que los pasos básicos del método científico son:

- Observación.

- Experimentación.

- Registro de datos.

- Análisis.

- Conclusiones

Para el primer caso (desplazamiento de un vehiculo), consideramos la primera ley de Newton o también ley de inercia en la cual explica que un cuerpo se mantendrá en reposo o en constante movimiento hasta el momento en que se aplica una fuerza externa.

Con los pasos del método científico encontramos que para el desplazamiento de un vehiculo se encuentra inicialmente en reposo pero luego se aplica una fuerza que hace que se mueva. Luego para la experimentación, se realiza un experimento con un carro de juguete (por ejemplo) inicialmente en reposo y al que se le aplica una fuerza para moverlo, con lo que se realiza el análisis y finalmente se obtiene la conclusión a la que llegó Newton.

Paso de electricidad: cuando se observa que hay algún dispositivo encendido, es posible usar un voltímetro para comprobar dicho paso por medio de mediciones.

Combustion del papel: cuando se enciende un trozo de papel con fuego y se observa que convierte en ceniza, es posible realizar el experimento con el fin de llegar a la conclusión de que al reaccionar con oxígeno, cambia la escructura de la celulosa a carbon, dióxido de carbono, agua y otros residuos.

Asimismo, al llevar a cabo experimentos de coagulación de la sangre en una herida y como los nutrientes obtenidos de los alimentos se convierten en energía para nosotros, podemos llegar a las conclusiones de que la sangre se coagula debido la existencia de plaquetas y que los alimentos se convierten en energía a partir de las enzimas que tenemos dentro de las células que los degradan en glucosa y lípidos reutilizables.

¡Saludos!

8 0
3 years ago
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