physics question

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Problem 1: A student attaches a f = 2.5 kHz oscillator to one end of a metal rail of length L = 28 In. The student turns on the oscillator and uses a piezoelectric gauge at the other end to measure that the resulting sound wave takes t= 0.0051 s to travel the length of the rail. Part (a) Input an expression for the period of the waves in the rail. in terms of the given quantities. Expression : T = Select from the variables below to write your expression. Note that all variables may not be required. p, T, "I 0! h! d! f! g. hiji k! m! n! P! S Part (b) What is the period, in seconds? Numeric : A numeric value is expected and not an expression. T = Part (c) What is the speed of the wave in the rail, in meters per second? Numeric : A numeric value is expected and not an expression. v = Part ((1) What is the wavelength of the wave within the rail, in meters? Numeric : A numeric value is expected and not an expression. A =

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