Lecture_9

Lecture_9 - Fall 2012 PHYS 218 General...

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Unformatted text preview: Fall 2012 PHYS 218: General Physics !"#$%&" () *+,-$"& ./01 ./.1 ./2 *3&#%4,& 56768 ,89 :&,;3$,768 <&6=/ >647#? <[email protected]#A BC/ DD0 5E F)GHIDH)JH K"L$68MA !,LA • !,L 6= 38"&7, N8 6OP"#$ ,$ &"A$ &"C,38A ,$ &"A$ ,89 ,8 6OP"#$ 38 C6768 L344 #6878%" 38 C6768 L3$+ , #68A$,8$ ;"46#3$@ Q#68A$,8$ A-""9 38 , A$&,3R+$ 438"S %84"AA 3$ 3A ,#$"9 68 O@ ,8 "T$"&8,4 =6&#" • U+" ,##"4"&,768 6= ,8 6OP"#$ 3A 93&"#$4@ -&6-6&768,4 $6 $+" 8"$ =6&#" ,#78R 68 3$ ,89 38;"&A"4@ -&6-6&768,4 $6 3$A C,AA/ • V6& ";"&@ ,#768 $+"&" 3A ,8 "W%,4 ,89 6--6A3$" &",#768/ Non-Uniform Circular Motion • If the speed is also changing, there are two components to the acceleration • One component is tangent to the circle, a t • The other component is directed toward the center of the circle, a c X"#768 ./J Newton ! s Law of Gravitation, Equation • Law states: There is a gravitational attraction between any two objects. If the objects are point masses m 1 and m 2 , separated by a distance r the magnitude of the force is grav Gm m F r 1 2 2 = X"#768 ./G G = 6.67 x 10-11 N ....
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This note was uploaded on 02/13/2012 for the course PHYS 214 taught by Professor Staff during the Spring '08 term at Purdue.

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Lecture_9 - Fall 2012 PHYS 218 General...

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