Proxima du Centaure, l’étoile la plus proche de la Terre après le Soleil, est située à 40 000 milliards de kilomètres de la Terre. 1 / Calcule le temps qu’il faut à la lumière pour parcourir cette distance

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx hurrim timed