2 Edelrege de la chambre de Vanessa que
Vanessa desire metendre la lumière de sa
chambre en deux droits erents. Pour cela, elle uth
lise le montage electrique constitue une pile, une
lampe, et de deux commutateurs A et B.
la
es
2
♡
1. a. Dans le cas du circuit représenté ci-dessus, la lampe
brille-t-elle ? Pourquoi ?​

Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?

Elements that have one valence electron and are very reactive are called