2 Compléter les phrases suivantes : « L'intensité du courant s'exprime en
(symbole). Pour mesurer l'intensité, on
utilise un
. . Cet appareil ne se connecte
jamais directement sur les bornes du
Il doit être monté en ... dans un circuit com-
prenant au moins un ​

What is the frequency of a light wave with a wavelength of 620nm

Ben(55 kg) is standing on very slippery ice when junior(25kg) bumps into him. junior was moving at a speed of 8m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision .

The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?