UMD PHYS 121 - Lecture Slides (5 pages)

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Lecture Slides



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Lecture Slides

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Pages:
5
School:
University of Maryland, College Park
Course:
Phys 121 - Fundamentals Of Physics I
Fundamentals Of Physics I Documents

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Physics 121 9 15 10 9 15 10 Physics 121 1 9 15 10 Physics 121 2 9 15 10 Physics 121 6 Prof E F Redish 1 Physics 121 9 15 10 i r xi 9 15 10 where x is a length Physics 121 7 r displacement v t time it took to do it dr v dt Note an average velocity goes with a time interval Note an instantaneous velocity goes with a specific time 9 15 10 Physics 121 x m 8 v m dx dt t sec dx dt x t t 2 x t t 2 v t Physics 121 t v t sec v t 9 15 10 Prof E F Redish 9 2 Physics 121 9 15 10 x m v m dx v dt t sec dx v t dt sum in the changes in position over many small time9 15 10 intervals dt t sec change in position over a small time interval x dx v t dt Physics 121 10 9 15 10 Physics 121 11 9 15 10 Physics 121 12 Prof E F Redish 3 Physics 121 9 15 10 slopes v x t areas x v t 9 15 10 Physics 121 13 a change in velocity time it took to make the change v a t 9 15 10 Physics 121 14 9 15 10 Physics 121 15 Prof E F Redish 4 Physics 121 9 15 10 dv a t dt v t t 2 v t t 2 a t t 9 15 10 Physics 121 16 a m s2 v m s dv t sec a dt t sec dv dt v t t 2 v t t 2 a t t a t 9 15 10 Physics 121 17 a m s 2 v m s a dv dt sum in the changes in velocity over many small time9 15 10 intervals Prof E F Redish t sec dt dv a t dt t sec change in velocity over a small time interval v dv a t dt Physics 121 18 5



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