Aide moi! merci! :D Exo1 une fourmi parcourt 10 mètres en 20 secondes (elle est rapide mais il y a même des fourmis encore plus rapide).

1) Calcule la vitesse à laquelle elle se déplace en m/s.

2) En km/h . 3) Calcule l’Energie cinétique Ec qu’elle emmagasine. (Rappel : Ec=0.5 x m x v²) avec la masse de la fourmi est 150 mg. Attention aux unités…

Exo 2 : une voiture parcourt 500 km en 5h. Calcule sa vitesse en km/h.

1) Calcule la vitesse à laquelle elle se déplace en km/h.

2) En m/s.

3) Calcule l’Energie cinétique Ec qu’elle emmagasine. Sachant que la masse de la voiture et du chauffeur est de 1000kg
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.
More Questions From This User See All
Bonjour! Aide moi! Merci! 2. THE PRESENT a. Conjugale the following verbs: - So, what (be)............. your name? - My name (be)............. Olivia. - And where (you live) ............. Olivia? - I (live) ............. in Oxfordshire. - (Be) ............. your parents supportive? b. What is the use of the Present BE + ing? (answer in French) ....................................................................................................................................... ....................................................................................................................................... c. Conjugate the following verbs with the PRESENT BE + ING - What (she - do) ................................... - She (clean) .................................. - She (not - clean) .................................. it because it is dirty, she (do) .................................. it to get some pocket money. - She (work) .................................. a lot at the moment? d. Conjugate using the SIMPLE PRESENT or THE PRESENT BE + ING: Peter can't come tonight. He (play) .................................. tennis with his father. He usually (arrive) ..................................late. I can't go to school today because I (not feel) .................................. well. He (wear) .................................. a superman costume, he (look) .................................. so ridiculous. e. Choose the correct tense: Ann (be) ..................................only 17 and (be).................................. an inventor but she (not-like) .................................. people to call her a genius. She and her parents (live) .................................. in Canada. She (love) .................................. science and regularly (take part) .................................. in TV shows to talk about her inventions. She always (invent) .................................. new devices, that (be) .................................. her passion. She currently (work).................................. on a coffee mug that (charge) .................................. your phone. What she (plan) .................................. next?
Responda

Helpful Social

Copyright © 2024 ELIBRARY.TIPS - All rights reserved.