una cuerda de 200 cm de longitud tiene una masa de 500g cual es la tensión de la cuerda que se requiere para producir una velocidad de onda de 120 cm/s

T = 0.36 N

Explanation:

Given that,

Length of a rope, l = 200 cm = 2 m

Mass, m = 500 g = 0.5 kg

It would produce a wave speed of 120 cm/s or 1.2 m/s

We need to find the tension of the rope. The speed of a wave in the stretched string is given by :

Where T is tension of the rope and is the mass per unit length

So, the tension of the rope is 0.36 N.

if you already have the answer to (a), then just work out how many periods there are in 1 minute, and that's the answer to (c).

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