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Unformatted text preview: CW Chapter 5 1 2 3 1 2 3 ( ) ( ) ( ) ( ) net x i x x x x i net y i y y y y i F F T T T F F T T T = = + + = = = + + = 1 1 1 2 2 2 3 3 3 3 ; 0 ; 0; ; ; ; x y x y x y T T T T T T T T cos T T sin =  = = =  = + = + 1 3 1 3 2 3 2 3 0; 0; x x y y T T T T cos T T T T sin + =  + = + =  + = 1 3 2 3 3 2 1 3 ; ; ; T T cos T T sin T sin T tan T T cos = = = = 2 1 1 3 200 arctan arctan 63.4 100 100 224 cos cos 63.4 T N T N T N T N = = = = = = . Speed of a towed car ( ) ( ) ( ) ( ) net x i x x x x i net y i y y y y i F F T n w F F T n w = = + + = = = + + = ; 0 ; 0; ; ; cos ; x y x y x y T T T n n n w w sin w w = = = = =  =  0; cos 0; x x y y T w T w sin n w n w + =  = + =  = (15,000 N)sin 20 5130 N; T w sin = = = Towing a car up the hill Altitude of a rocket. Accelerate to 5 seconds then just move at that velocity 2 2 1 1 1 ( ) (2500N 200N) 1.53m/s 1500kg 1 ( ) 0 (1.53m/s )(5.0s) 7.65m/s x y x x x a T f m a n w m v v a t =  =  =...
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 Fall '07
 simson

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