Physics, 26.10.2021 20:20 mathater15
bonsoir pouvez vous s'il vous plait m'aider à mon exercice c'est pour demain. On peut considérer la terre comme une sphère de rayon R=6400 Km. 1) Quelle est la période de rotation de la terre autour de son axe ? 2) Calculer la vitesse angulaire de rotation de la terre. 3) Calculer la vitesse linéaire VE à l’équateur(=0°). 4) Calculer la vitesse linéaire VM d’un point situé à MARRAKECH (=28°).
Answers: 2
Physics, 21.06.2019 22:30
A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?
Answers: 1
Physics, 21.06.2019 22:30
Select the word from the list that best fits the definition classification of most stars on the h-r diagram
Answers: 1
Physics, 22.06.2019 07:50
Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?
Answers: 1
Physics, 22.06.2019 23:00
1which body contains the majority of the mass in the solar system earth jupiter the moon the sun 2 what keeps the objects in the solar system such as planets orbiting around the sun the force of gravity the galaxy exerts on all objects within it including the solar system the great distance between the sun and the planets the sun's nuclear fusion which acts on each object the gravitational force between the sun and each object in the solar system
Answers: 2
bonsoir pouvez vous s'il vous plait m'aider à mon exercice c'est pour demain. On peut considérer la...
History, 27.05.2020 22:04
Mathematics, 27.05.2020 22:04
Physics, 27.05.2020 22:04
Mathematics, 27.05.2020 22:04
Mathematics, 27.05.2020 22:04
Mathematics, 27.05.2020 22:04
History, 27.05.2020 22:04
Geography, 27.05.2020 22:04
History, 27.05.2020 22:04
Mathematics, 27.05.2020 22:04
History, 27.05.2020 22:04
Mathematics, 27.05.2020 22:04
Social Studies, 27.05.2020 22:04