Transcription of 1. INTRODUCTION PROBLEMS ON KINEMATICS
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ON KINEMATICSJaan KaldaTranslation partially by Taavi PungasVersion: 29th November 20171 INTRODUCTIONFor a majority of physics PROBLEMS , solving can be reduced tousing a relatively small number of ideas (this also applies toother disciplines, mathematics). In order to become goodat problem solving, one must learn these ideas. However, it isnot enough if you onlyknowthe ideas: you also need to learnhow torecognizewhich ideas are to be used for a given prob-lem With experience it becomes clear that usually problemsactually contain hints about which ideas need to be text attempts to summarise the main ideas en-countered in solving KINEMATICS PROBLEMS (though, some ofthese ideas are more universal, and can be applied to someproblems of other elds of physics).
tions while keeping only the leading terms (e.g. for ∆x+∆x·∆y, the second term is a product of two small quantities and can be neglected as compared with the first one), and finally go to the limit of infinitely small increments, ∆x → dx, ∆y → dy. In order to answer the second question, we need one more idea.
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