( ) ( ) (sin ) 92. D = −3 = f g x x 95. (t ) (120π ) −3 sin = 220 sin x V t a. Amplitude: = A = 220 220 Period: = 1 = = 2π 2π T ω 120π 60 b, e. ( ) ( ) (−3x ) = D sin g f x c. = V IR = 220 sin(120π ) 10I t 22 sin(120π = t) I (t ) (120π ) → = 22 sin I t d. Amplitude: = 22 = 22 A Period: = 1 = 2π = 2π T (t ) = 120 sin V (t ) = 220 sin(60π (120π ) I t ω t 93. ), ≥ 0 t 96. 120π 60 Period: = 1 = = 2π 2π T ω 60π 30 = 120 = 120 A a. Amplitude: Amplitude: 2π = = 220 = 1 2π = T = 220 A Period: ω 120π 60 b, e.
92. ( f D g ) ( x ) = −3 (sin x ) = −3 sin x 95. V (t ) = 220 sin (120π t ) a. Amplitude: A = 220 = 220 Period: T = 2π = 2π = 1 b, e. ω 120π 60 ( g D f ) ( x ) = sin (−3x ) c. V = IR 220 sin(120π t ) = 10I 22 sin(120π t) = I → I (t ) = 22 sin (120π t ) d. Amplitude: A = 22 = 22 Period: T = 2π = 2π = 1 93. I (t ) = 220 sin(60π t ), t ≥ 0 96. ω V (t ) = 120 sin (120π t ) 120π 60 Period: T = 2π = 2π = 1 ω 60π 30 a. Amplitude: A = 120 = 120 Amplitude: A = 220 = 220 Period: T = 2π = 2π = 1 b, e. ω 120π 60
62514-0132318806_ISM_02-1.docx