Asked by jazz
A 5.2 m wire with a mass of 86 g is attached to the mast of a sailboat. If the wire is given a "thunk" at one end, it takes 0.085 s for the resulting wave to reach the other end.
Part A
What is the tension in the wire?
Would the tension found in part A be larger or smaller if the mass of the wire is greater than 86 g?
Part A
What is the tension in the wire?
Would the tension found in part A be larger or smaller if the mass of the wire is greater than 86 g?
Answers
Answered by
drwls
A. Wave speed = 61.2 m/s = v
= sqrt(T/d)
where d is the mass per unit length of the wire. In this case, d = 0.0165 kg/m
T = d*v^2 = 61.8 kg m/s^2 (also known as newtons)
B. T must increase if the mass of the wire increases and v stays the same.
= sqrt(T/d)
where d is the mass per unit length of the wire. In this case, d = 0.0165 kg/m
T = d*v^2 = 61.8 kg m/s^2 (also known as newtons)
B. T must increase if the mass of the wire increases and v stays the same.
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