A heavy string is tied at one end to a movable support and

Question:

A heavy string is tied at one end to a movable support and to a light thread at the other end as shown in the below figure. The thread goes over a fixed

pulley and supports a weight to produce a tension. The lowest frequency with which the heavy string resonates is $120 \mathrm{~Hz}$. If the movable

support is pushed to the right by $10 \mathrm{~cm}$ so that the joint is placed on the pulley, what will be the minimum frequency at which the

heavy string can resonate?

Solution:

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