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## Homework Statement

When a mass M hangs from a vertical wire of length L, waves travel on this wire with a speed V.

a) What will be the speed of these waves in terms of V if we double M without stretching the wire?

V=?

Good morning, could someone please tell me why my answer of rad 2 is wrong. I thought i was on the right track.

## Homework Equations

See uploaded photo of all work

## The Attempt at a Solution

see uploaded photo of all work