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A cord of mass 0.65 kg is stretched between two supports 7.2 m apart.

If the tension in the cord is 110 N , how long will it take a pulse to travel from one support to the other?

asked Nov 7, 2015 in PHYSICS by anonymous

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1 Answer

The mass of the cord is .

The cord is stretched between two supports apart.

The mass per unit length of the cord is .

The tension in the cord is .

The velocity of the cord is .

Substitute and .

.

The time will be

The time will take a pulse to travel from one support to the other is .

answered Nov 7, 2015 by Sammi Mentor
edited Nov 7, 2015 by Sammi

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