Determine el trabajo que una persona debe efectuar sobre su mochila que transporta alimentos de 15 kg para llevarla a la cima de una colina de altura h = 20 m como se observa en la figura (4 Pts.)

Does anyone have the answers to online physics course plato course physics, semester a v3.0

Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?

Which is not true of the intertropical convergence zone? a) it features heavy precipitation b) it's where the trade winds collidec) it's a high-pressure zone with sinking air d) it is also known as the doldrums