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Physics
Physics
Problem
The extension in a string, obeying Hooke's law, is
x
x
x
. The speed of sound in the stretched string is
v
v
v
. If the extension in the string is increased to
1.5
x
1.5x
1.5
x
, what will the speed of sound be? a.
1.22
v
1.22v
1.22
v
b.
0.61
v
0.61v
0.61
v
c.
1.50
v
1.50v
1.50
v
d.
0.75
v
0.75v
0.75
v
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