assignment4 - PHYS122 2010W Assignment 4 Due: 17:00...

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Unformatted text preview: PHYS122 2010W Assignment 4 Due: 17:00 Thursday 2010-02-04 PHYS122 Assignment 4 Tutorial: Student ID:- Surname: Given Name: 1. (a) (5) Two synchronized sources are a emitting sound with a wavelength λ and are a distance d = 3 2 λ apart. A boy with a sound level meter walks around a circle of radius r = 2 λ centred on the point midway between the two sources. How many maxima, m , does he find as he walks around the complete circle? m = (b) (5) A rod of length ‘ is held rigidly at its centre. It is tapped with a hammer. If the speed of a transverse wave in the rod is v w what are the possible frequencies, f i ? f i = Page 1 of 3 PHYS122 Assignment 4 Tutorial: Student ID:- Surname: Given Name: 2. (a) (5) A stretched wire of length ‘ and linear density μ is in front of a loudspeaker. The loudspeaker is driven by an oscillator and amplifier and it is observed that the wire has adjacent resonances at frequencies f n and f n +1 . What is the tension in the wire?...
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This note was uploaded on 11/14/2010 for the course PHYS PHYS122 taught by Professor O'donovan during the Winter '10 term at Waterloo.

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assignment4 - PHYS122 2010W Assignment 4 Due: 17:00...

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