sol7 - m m m m d x y 2 3 9 10 8 . 4 10 03 . 2 . 1 ) 10 600...

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#1. #2. #3. #4. these integers(n) are called the order number, (central line with n=0, the first order line with n=1, the second order line(n=2), and so on.) y is proportional to x. if x is increased by 3 times, y also is increased by 3 times. the answer is y=2.2cm x 3 = 6.6cm #5. #6. (a) (b) (c) #7. m Hz s m f c 500 10 600 / 10 3 3 8 Hz m s m c f 18 10 8 10 0 . 3 10 / 10 3 m m m m d x y x y d m x nm mm d 3 3 9 10 5 . 2 10 4 . 0 0 . 2 ) 10 500 ( 2.0 , 500 , 4 . 0 ,..... 2 , 1 , 0 , n for d nx y m m m m y x w w x y m x cm y nm 4 2 9 10 67 . 1 10 2 . 1 0 . 4 ) 10 500 ( 4 , 2 . 1 , 500 m m m m d x y x y d m x nm mm d 2 3 9 10 4 . 2 10 03 . 0 2 . 1 ) 10 600 ( 2 . 1 , 600 , 03 . 0
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Unformatted text preview: m m m m d x y 2 3 9 10 8 . 4 10 03 . 2 . 1 ) 10 600 ( 2 2 m m m m d x y x y d 2 3 9 10 2 . 1 ) 10 03 . ( 2 ) 2 . 1 ( ) 10 600 ( 2 2 1 HW7 cm cm n n o i water air 15 . 60 ) 33 . 1 1 ( 80 ) (...
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