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ConceptualQuestion 20.2 A wave pulse travelsalong a stretched string at a speed of 342 . Part A
What will be the speed if the string's tension is doubled?
Note: Each part is independent and refers tochanges made to the original string. Expressyour answer using three significant figures. ANSWER:
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Part B
What will be the speed if the string's mass is quadrupled (butits length is unchanged)? Expressyour answer using three significant figures. ANSWER:
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Part C
What will be the speed if the string's length is quadrupled(but its mass is unchanged)? Expressyour answer using three significant figures. ANSWER:
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Explanation / Answer

for part 1: v=(T/m), v'=(2T/m)... so after simplificationsv'=2 ˜1.4 so the answer must be 1.4* 342 which is 478.8 part2 just divide by 2 342/2=171 part 3: multiply by 2 342*2 should give ypu the answer hope that's help

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