A thin, $74\mathrm{.}0-$cm wire has a mass of $16\mathrm{.}5$ g

$.$ One end is tied to a nail, and the other end is attached to a screw that can be adjusted to vary the tension in the wire.

Part A

To what tension $($in newtons$)$ must you adjust the screw so that a transverse wave of wavelength $3\mathrm{.}40$ cm

makes $630$ vibrations per second?

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T

$=$

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N

Request$$Answer

Part B

How fast would this wave travel?

Express your answer with the appropriate units.

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v

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