Determining the length of the pipe
The first three harmonics of an organ pipe have frequencies 126 Hz, 378 Hz and 630 Hz. (a) Is this an open-open or an open-closed pipe? (b) If the speed of sound in air is 240m/s, what is the length of the pipe?
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Two particles are fixed to an x axis: particle 1 of charge q1 = +1.3 10-8 C at x = 20 cm and particle 2 of charge q2 = -4.50q1 at x = 70 cm. At what coordinate on the axis is the net electric field produced by the particles equal to zero?
Determine (a) the shortest distance in which the train can reach a speed of 72 km/h, (b) the corresponding constant rate of acceleration At.
The show in Atlanta was all of original material by the band, the show in Charlotte included two cover versions of songs by other bands, the show in Richmond included four "covers", the show in New York included six covers, and the show in Detroit
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