Question: A wave pulse travels along a stretched string at a speed of 200 cm/s. What will be the speed if: a. The strings tension is

A wave pulse travels along a stretched string at a speed of 200 cm/s. What will be the speed if:
a. The string’s tension is doubled?
b. The string’s mass is quadrupled (but its length is unchanged)?
c. The string’s length is quadrupled (but its mass is unchanged)?

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