During baseball practice, a batter hits a very high fly ball and then runs in a straight line and catches it. Which had the greater displacement, the batter or the ball?
Chapter3:Vectors Principleofsuperposition Ifabodyissubjecttotwoormoreseparateinfluences,eachproviding acharacteristictypeofmotion,itrespondstoeachwithoutmodifyingits responsetotheother. Vectorquantitiesarethosethathavebothmagnitudeanddirection.They arenotcompletelyspecifieduntilboththemagnitude(howfar)andthe direction(degreesofwhere)aregiven.–displacement,velocity,force *thingsthatdonothaveadirectionandthingsthatare completely describedwithasignalnumberarecalledscalars Example:Temperature Vectorsaredenotedwithaletterthathasanarrowdrawnoverit.Thesame letterwithoutthearrowwillrepresentthemagnitudeofthevector. *anegativevectorisjustintheoppositedirection.