What happens to incoming light rays that are parallel to the principal axis of a convex lens?

A.
They converge at the focal point.
B.
They diverge away from the principal axis.
C.
They converge beyond the focal point.
D.
They diverge from the focal point.

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

Asystematic approach to problem solving is called a (an)

When can a theory be modified if a new type of technology allows for new observations that raise new questions? a-immediately, while the questions about the theory are being asked b-after new hypotheses related to the theory are tested in experiments c-only after the new observations disprove all parts of the theory d-while scientists begin to think about how the theory could improve