Select the generic equation suggested by a graph showing a half-parabola. y = kx y = kx2 y = k(1/x)

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

What will a positive and a negative charge do if they are separated from each other?

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?