Physics Waves Question?

A wave travels with a speed of v on a speed of v on a string of length L and mass M. The string is stretched to a tension force T. If the linear density is quadrupled, what is the new speed of the wave?

The answer should be v divided by the square root of 2.

Can you please explain each step of the question thoroughly?

Thank you so much!

1 Answer

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  • 7 years ago
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    v=√(T/ρ) ---> √(T/4ρ)

    v4= v*√(1/4)= v*0.5= v/2[m/s]

    It is 1/2 of the original velocity.

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