# Waves: Types and Speed

Question: A rope of mass 0.65 kg is stretched between two supports that are 30 m apart. If the tension in the rope is 120 N, how long will it take a pulse to travel from one support to the other?

I am having trouble understanding this above question. Can you please explain this in a simple, non-confusing way.

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#### Solution Preview

Mass of the rope M = 0.65 kg

Length of the rope l = 30 m

Therefore, mass per unit length m ...

#### Solution Summary

This solution is comprised of the steps required to solve this physics problem and does so in a clear and simple manner. The variables required are described and the equations needed are provided.

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