3 Pourquoi dit-on qu’un ampèremètre est un appareil polarisé ?
Schématiser un circuit simple allumage.
Ajouter l'appareil nécessaire pour mesurer l'intensité
du courant. Repérer par un point rouge sa borne
d'entrée et par un point noir sa borne de sortie.​

gravititional force is a force that is acting around you, it is non-contactable and it is a force that pulls you to the core of the earth.

brainliest

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.

t = 1/400 h   ⇔ 0.0025 h ⇔ 9s ⇔ 0.15 m

any of the answers are correct.