A student is creating a model of a concave lens. The diagram shows her incomplete model. Which action would best complete her model?
A
The student should draw the light moving into the lens and then exiting in converging lines.

B
The student should draw the rays of light moving into the lens and then exiting at right angles.

C
The student should draw the rays of light moving into the lens and then exiting in a straight path.

D
The student should draw the light moving into the lens and then exiting in lines that are spreading out.

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.

What effects result when there is an impact between earth and an asteroid? check all that apply. a.massive flooding. b.extinction of many life forms.c.major earthquakes change in average global temperature.d. giant dust cloud

An object in mechanical equilibrium is an object