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Unformatted text preview: homework 35 NOORANI, ZOHEB 1 Latest unpenalized work: Apr 23 2008 Wednesday 04:00 (after this date you can not make a perfect score). Work cutoff: Apr 24 2008, 4:00 am. Question 1, chap 16, sect 2. part 1 of 3 10 points Two waves in one string are described by the relationships y 1 = A 1 cos( k 1 x 1 t ) y 2 = A 2 sin( k 2 x 2 t ) where A 1 = 4 . 2 cm, A 2 = 3 . 9 cm, k 1 = 4 cm 1 , k 2 = 4 cm 1 , 1 = 5 rad / s, 2 = 6 rad / s, y and x are in centimeters, and t is in seconds. Find the superposition of the waves y 1 + y 2 at the position x 1 = 1 cm and time t 1 = 0 . 9 s. Answer in units of cm. Question 2, chap 16, sect 2. part 2 of 3 10 points Find the superposition of the waves y 1 + y 2 at the position x 2 = 0 . 8 cm and time t 2 = . 8 s. Answer in units of cm. Question 3, chap 16, sect 2. part 3 of 3 10 points Find the superposition of the waves y 1 + y 2 at the position x 3 = 0 . 7 cm and time t 3 = 87 s....
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 Spring '08
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