Calculer la grandeur Gterre = G x Mterre/ r2 terre. Justifier alors pourquoi le poids d'un corps dépend de l'astre sur lequel il se trouve. Effectuer le même calcul pour la lune.

sonar - device which is used to find the submit submarines, sankalp ship. sonar waves consists of a transmitter and detector which are installed in the observation centre on board of a ship. the ultrasonic waves are sent into the sea at high frequency about 1000 khz in all direction.

muscle endurance

explanation:

i can do 50 in a row ( but i get so tired after that)

no

explanation:

no i dont know how to solve this you should probably try to google the answer