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A uniform rope of length 12 m and mass 4...

A uniform rope of length 12 m and mass 4 kg is hung vertically from a rigid support transverse wave pulse is produced at lower end. The speed of the wave pulse al x = 2.5 m from lower and will be kg=10 m/s)`

A

10 m/s

B

5 m/s

C

7.5 m/s

D

2.5 m/s

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