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Gala2k [10]
2 years ago
6

2. Un dispositivo móvil diseñado y construido por los alumnos de física es autopropulsado por la corriente de aire que sale de u

n globo inflado. Calcula la fuerza que impulsa hacia adelante al dispositivo si partiendo del reposo alcanza una velocidad de 3 m/s en un tiempo de 5 segundos. Calcula también la fuerza de reacción que ejerce el piso sobre las llantas del dispositivo si la masa de este es de 4 kilogramos. No consideres la fricción entre el piso y las llantas del dispositivo. Calcula nuevamente los valores anteriores si los alumnos deciden agregar al móvil un pasajero con masa igual a 0.5 kg y compara los resultados​
French
1 answer:
kozerog [31]2 years ago
8 0

According to Newton's third law of motion, when air is pushed back out of the balloon (out of the end through the opening), there must be an equal and opposite reaction force pushing the balloon forward (the end opposite the opening). When you let a balloon go on its own, it tends to fly randomly around the room, and is nearly impossible to steer. However, when you attach the balloon to a car, you can harness the energy of the balloon to propel the car. The engineering objective in this project will be to design, build and test a car that it is powered by nothing but a balloon. You want to design your car so that it can travel the greatest distance as far as possible.

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Pour changer de chaîne de télévision sans me déplacer, j'utilise...
zhannawk [14.2K]

Answer:

English translation: To change the TV channel without moving, I use ...

On air.

B. the parable.

C. the remote control.

D. the screen.

SUBMIT

French: Pour changer de chaîne de télévision sans me déplacer, j'utilise...

A. l'antenne.

B. la parabole.

C. la télécommande.

D. l'écran.

SUBMIT

It's C.

Explanation:

it's the right answer

4 0
3 years ago
Read 2 more answers
Choose the correct translation of the sentence "I love to eat pizza":
Natasha2012 [34]

Answer:

D

Explanation:

J'aime is I like

J'adore is I love

8 0
3 years ago
Read 2 more answers
How to make a complete sentence out of these?
valentina_108 [34]

Hello :)

Answer:

1. Je fais du baseball au stade en été.

2. Il aime manger quand il fait chaud.

3. Nous faisons du cheval.

4. Le garçon gagne un match de football.

5. Les amies jouent aux cartes à la maison.

6. Il y a du soleil en juillet.

7. John fait une promenade.

8. Les étudiants font attention en classe.

9. La classe fait du camping.

10. Vous buvez du chocolat chaud en hiver.

Here ( I found some mistakes in the words in french so I corrected them )

4 0
3 years ago
What kind of building was the “bastille” before it was stormed?
scZoUnD [109]
Hi !!


Before it was stormed the "Bastille" was a fortress known as the "Bastille Saint Antoine".

It used to be a state prison for the kings of France

Formerly it was called "Fort et Bastide Saint Antoine lez Paris" (built between 1356 and 1358) .I'm sorry, my English is too poor to explain what 'bastide' means.. but the word 'Bastille' is derived from it. A 'bastide' is a mansion in south of France or an element of a fortification. So it was just a small castle with two towers.

In 1367 the king Charles VII decided to build fotifications around it to make  a real castle with walls around it and eight towers.

The story is quite long....

When Louis XI became king of France, it began to be occasionnally a prison.
Le cardinal de Richelieu officially turned it into a jail around 1600.

well anyway, before it was stormed, La Bastille was a fortress and was used as a prison ....


Hope this will help :)



8 0
3 years ago
Read 2 more answers
Replace the underlined words with the appropriate interrogative pronoun.
Anna [14]

<em>Bonjour ! </em>

<em />

<em>De quelle banque viens-tu ?</em>

d. De laquelle ?

banque = féminin/singulier

de laquelle = féminin/singulier

5 0
4 years ago
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