A weight W is hanging from a light vertical string.If a second weight W is added without stretching the string,the speed of pulses on this string will now be twice as great as it originally was.

Question

Quizplus · Accepted Answer

The speed of pulses on a string is determined by the tension and mass per unit length. Doubling the weight increases the tension, but the speed increases by the square root of 2, not twice.

A Weight W Is Hanging from a Light Vertical String