What is the period of revolution of a satellite with mass m that orbits the earth in a circular path of radius 7880 km (about 1500 km above the surface of the earth)

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

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery