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Two different waves moving in the same direction on the same string (where x is in cm and t is in s) are out of phase by +Π/3 radians when they start to interfere. The waves are described by the functions below (where x is in cm and t is in s). They start to interfere at x=0 cm and t=0 s.
y1 = 40.0 cm sin (8.00x - 30.0t)y2 = 30.0 cm sin (5.00x - 16.0t + Π/3).
Determine the displacement (cm) of an element of the string at x =12.0 cm when t=3.00 s.
a longitudinal standing wave is established in a tube open at one end only. in air the fundamental frequency is 110 hz.
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Two equal point charges (q = +4.50 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.390 meter. Find the speed of the test charge when it reaches the center of square
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