PLEASE HELP If scientists could create a sheet of glass with a refractive index so high that it took light months or years to travel through the glass, what kind of things do you think they could do with it?

Why don't you see your reflection in water with waves or repples

The necleus of an atom is made up of what subatomic particles?

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.