Lecture_3

# Lecture_3 - PHYS 218 General Physics Fall 2012 9&3;3<8#= 9...

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Fall 2012 PHYS 218: General Physics 1"2\$3456 !,26 73834 9&3:/ ;3<8#= 9+>6?#6 @A/ BB0 7C D)(EFBE).E

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!G H/ P/ */

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Displacement and Velocity • An object ! s change in position is its displacement – Displacement: ! x = x final - x initial • Average velocity is the displacement per unit time: v ave = x final ! x initial t final ! t initial = x 2 ! x 1 t 2 ! t 1 = " x " t Q"#834 ./.
U,V W AX6"#Y . ULV B AX6"#Y . U#V . AX6"#Y . UMV ( AX6"#Y . U"V 0 AX6"#Y .

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1"2\$3456 !,26 A3834 2?<< #3484%" ?4 A3834 2?\$+ , #346\$,4\$ N"<3#?\$> ?\$6 A,66/ &",#834/
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Lecture_3 - PHYS 218 General Physics Fall 2012 9&3;3<8#= 9...

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