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 sou

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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