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Category > Physics Posted 20 Apr 2017 My Price 4.00

A steel piano wire

A steel piano wire(Y = 2.0×

1011 Pa)

has a diameter of0.7600 mm.

 

At one end it is wrapped around a tuning pin of diameter 7.200 mm

(See figure below). The length of the wire (not including the wire wrapped around the tuning pin) is 66.00 cm.

Initially, the tension in the wire is 381.0 N.

To tune the wire, the tension must be increased to 405.0 N.

Through what angle must the tuning pin be turned?

Answers

SuperTutor
(15)
Status NEW Posted 20 Apr 2017 05:04 AM My Price 4.00

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