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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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Select the phrase that best completes Arnaud's opinion. Je _________________ le rebouteux puisse guérir les patients. A. Suis ce
dezoksy [38]

Bonjour


select the phrase that best completes Arnaud's opinion.


Je ne suis pas sûr que le rebouteux puisse guérir les patients.


this is a phrase that expresses the doubt, the possibility, an opinion....--> subjonctif présent

The other ones need the indicatif présent == le rebouteux peut guérir   ......because it's something you're sure of...


hope it helps :)

5 0
3 years ago
Qu’est-ce que Félix demande à sa mère? A. D’aller à la piscine. B. De jouer au foot avec son ami Karim. C. D’aller à Carrefour.
alina1380 [7]

Answer:

It' s C

Explanation:

Have a great day!

6 0
3 years ago
I have to put *à* and *de* in the right form​
pogonyaev

Answer:

À mon avis, jouer à beaucoup de jeux peut être très dangereux pour la santé.

Translation to english:

In my opinion, playing a lot of games can be very dangerous for your health.

3 0
3 years ago
Select the mode of transportation that correctly completes this sentence.
KengaRu [80]

Hi



select the mode of transportation that correctly completes this sentence


Nous irons de l'hôtel à l'aéroport en autobus


CORRECT ANSWER = A



A- en autobus

7 0
3 years ago
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Regarde le beau sac à dos! <br><br> Is sentence grammatically correct in French?<br> Yes or no.
Veronika [31]
Oui.
Regarde le beau sac à dos ! Correct
6 0
3 years ago
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