If you let go of the notebook after pushing it, will it move?

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

30 points - 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