The extension in a string, obeying Hooke’s law, is x. The speed of sound in the stretched string is v. If the extension in the spring is increased to 1.5x, the speed of sound will be ___________

The extension in a string, obeying Hooke’s law, is x. The speed of

1.	The extension in a string, obeying Hooke’s law, is x. The speed of sound in the stretched string is v. If the extension in the spring is increased to 1.5x, the speed of sound will be ___________
A.	1.22v
B.	0.16v
C.	1.50v
D.	0.75v
Answer» B. 0.16v

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The extension in a string, obeying Hooke’s law, is x. The speed of sound in the stretched string is v. If the extension in the spring is increased to 1.5x, the speed of sound will be ___________

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