(Answered) Question a wave pulse travels along a string at a speed of

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

1. The string's tension is doubled.

2. The string's mass is quadrupled (but its length is unchanged).

3. The string's length is quadrupled (but its mass is unchanged).

4. The string's mass and length are both quadrupled.

Note: Parts 1-4 are independent and refer to changes made to the original string.

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