Suppose you increase your walking speed from 4 m/s to 12 m/s in a period of 2 s. what is your acceleration? theres a little box for the answer and another box for units

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form