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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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Pls help with all thank u
vodka [1.7K]

Bonjour,

1. Tu "fermeras" la porte avant de partir.

2. On "arrivera" le 15 octobre.

3. Nous dînerons à la crêperie la Crémaillère.

6 0
3 years ago
Read 2 more answers
Which idiom best completes the following conversation?
Ray Of Light [21]
Hi !!

Which idiom best completes this sentence ?

correct answer is A

Clement = Est-ce que tu es libre ce soir ? On peut aller au restaurant.

Sandrine = Non ma chérie (if answering to Clément, should be 'Non <u>mon</u> chér<u>i</u> ) . On a du pain sur la planche.

A- On a du pain sur la planche = we've got a lot to do.
B- On a la tête dans les nuages = we got our heads in clouds (we think about something else..)
C - on a raison = we're right.
D- On a la tête sur les épaules = we know what we're doing...

Sorry I don't have the correct English translation for these idioms.

Hope this help :)
4 0
3 years ago
Read 2 more answers
4 Select the correct answer. Which verb form correctly completes this sentence? Pablo Picasso ____ né le 25 octobre 1881. A. a B
Hunter-Best [27]
Est né (D) it’s “passé composé of Verne être” for singular
4 0
3 years ago
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Par quelles conjonctions les diverses propositions sont-elles introduites ?
aleksandrvk [35]
Elle introduit une proposition circonstancielle d'opposition ou de concession
5 0
2 years ago
Please answer correctly this french question
Mashutka [201]

Salut !

1. Je ne me sens pas bien aujourd'hui.

2. Tu ne te dépêches pas de rentrer chez toi ce soir ?

3. Mon mari ne s'endort pas tout de suite le soir. Moi, oui.

4. Nous ne nous ennuyons pas dans ce cours.

5. Vous ne vous amusez pas à cette fête ?

6. Les étudiants ne se détendent pas la semaine des examens.

Dis-moi si tu as des questions :)

3 0
2 years ago
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