Aconvex (converging) lens produces a real, inverted image of an object that is magnified 2.20 times when the object is 43.0 cm from the lens. what is the focal length of the lens? (cm)

The mini-refrigerator fire was most likely caused by what type of wiring?

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

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?