Jack is trying to evade the cops. He starts by running 1.2km east, then 2.2km north. After a frantic 0.82km run
west, he finally runs 1.6km south before getting captured.
What was Jack's displacement when he was caught?

With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90

What happens when you slowly pulled the carboard?

Which of the following types of electromagnetic radiation has the longest wavelength? a. infrared light b. visible light c. ultraviolet light d. microwaves