Vector has a magnitude of 145 units and points 35.0 north of west. Vector points 65.0 east of north. Vector points 15.0 west of south. These three vectors add to give a resultant vector that is zero. Using components, find the magnitudes of (a) vector and (b) vector . *
Pseudoscience: UFO, ESP, perpetual motion machines (violate second law of thermo), polygraphs Evaluation of a claim: -Are the facts true as stated -Is there an alternative explanation (Occam’s Razor- simplest description is the best) -Is the claim falsifiable * -Have the claims actually been tested -Do claims require change in accepted ideas The Organization of Science: Disciplines: -Historical -Modern Approaches: -Field Researcher (Data driven) -Experimentalist (Data driven) -Theorist (Math and computers to find patterns and predict things) The Branches of Science: -Physics (Fundamental aspects of nature) -Chemistry (Atoms in combination) -Biology (Living systems) -Astronomy (Objects in space) -Geology (Earth) Types of R