The mass density of platinum is 21.4 × 103 kg/m3. A platinum wire with a radius of 0.500 mm, 1.20 m long, fixed at both ends has a frequency of vibration for its third harmonic equal to 512 Hz. What is the tension in the wire?

A)

4.00 kN

B)

2.00 kN

C)

2.82 kN

D)

1.41 kN

E)

1.00 kN


C

Physics & Space Science

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a.
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b.
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c.
straight south
d.
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e.
straight up, directly overhead

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Indicate whether the statement is true or false

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