110202-opp - 2/2/11 Physics 122 1 2/2/11 Physics 122 2...

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Unformatted text preview: 2/2/11 Physics 122 1 2/2/11 Physics 122 2 2/2/11 Physics 122 3 NYC – The Real Thing (Landsat photo) 2/2/11 NYC – Subway map (c. 1948) Physics 122 4 NYC – Subway map (current) 2/2/11 Physics 122 Physics 122 2/2/11 Physics 122 6 x = cos t x = A cos v= 2/2/11 Physics 122 0 0 t A sin 0 t 11 1 sin cos 2/2/11 Physics 122 12 What does changing 0 do to this graph? cos( ) 2/2/11 cos( 0t) Physics 122 13 t t :0 2 :0 0 T T =2 0 2/2/11 0 Physics 122 2 = T 16 x t t0 x ( t ) = A cos( 0 ( t t 0 )) x (x) t= = cos( 0 ( t t ) t 0 )) t ( ) A A cos( 0 = A cos( 0 t 0 t 0 ) = A cos( 2/2/11 Physics 122 0 t ) 17 2/2/11 Physics 122 18 FS 1 net a= F m a= 2 0 2 0 x x (t ) = A cos( 2 0= T 2/2/11 F net = kx 0 t M FE M Measured from where? k = m ) Interpret! Physics 122 19 KE = 1 2 mv ( 1 2/2/11 2 Work = F 2 ) mv = F 2 Physics 122 net net r r 20 U g = mgh 2/2/11 U spr = k ( l ) 1 2 Physics 122 2 21 1 2 mvi2 + U (ri ) = 1 mv 2 + U (rf ) f 2 ( 2/2/11 ( 1 2 1 ) mv 2 + U = 0 2 ) mv + U = F 2 Physics 122 net non cons r 22 FS M FE M Measured from where? E = mv + mgh + k ( l ) 1 2 2 1 2 2 Ei = E f 2/2/11 Physics 122 23 2/2/11 Physics 122 28 ...
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This note was uploaded on 12/28/2011 for the course PHYSICS 122 taught by Professor Bhagat during the Fall '11 term at Maryland.

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110202-opp - 2/2/11 Physics 122 1 2/2/11 Physics 122 2...

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