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a uniform rope 15m long of mass 30 kg hangs vertically from a rigid support . A mass of 2 kg is attached to the lower end . If a pulse of wavelength 1.5 cm is produced at the lower end , then the wavelength of the wave 3m from the lower end will be?

a uniform rope 15m long of mass 30 kg hangs vertically from a rigid support . A mass of 2 kg is attached to the lower end . If a pulse of wavelength 1.5 cm is produced at the lower end , then the wavelength of the wave 3m from the lower end will be?

Grade:

1 Answers

Aman Bansal
592 Points
9 years ago

Daer Utkarsh,

Let m = mass of the rope ;

l = length of rope.

tension at a distanc x = weights of length (l-x) + wt of block 

tension = mg/l *(l-x) + wtof block.

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