A sonometer wire of linear density 0.08kg m-1 subjected to a tension of 800N is plucked. Calculate the speed of a pulse which moves from one end of the wire...

Assessment: WAEC SSCE - Physics - 2003 (Objective) Subject: Physics

Question 1 Report

A sonometer wire of linear density 0.08kg m-1 subjected to a tension of 800N is plucked. Calculate the speed of a pulse which moves from one end of the wire to the other
Answer Details
The speed of a pulse that moves through a wire is given by the formula: v = √(T/μ) where T is the tension in the wire and μ is the linear density of the wire. Substituting the given values into the formula, we get: v = √(800 N / 0.08 kg/m) v = √10000 m2/s2 v = 100 m/s Therefore, the speed of the pulse that moves from one end of the wire to the other is 100.0 m/s. Answer: 100.0 ms-1
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