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Physics
Physics
Problem
The speed
v
v
v
of transverse waves on a stretched string depends only on the tension
F
F
F
in the string and its linear mass density
μ
\mu
μ
. Which relation is consistent with dimensional considerations? a)
v
∝
F
−
1
/
2
μ
−
1
/
2
v \propto F^{-1/2}\,\mu^{-1/2}
v
∝
F
−
1/2
μ
−
1/2
b)
v
∝
F
1
/
2
μ
1
/
2
v \propto F^{1/2}\,\mu^{1/2}
v
∝
F
1/2
μ
1/2
c)
v
∝
F
1
/
2
μ
−
1
/
2
v \propto F^{1/2}\,\mu^{-1/2}
v
∝
F
1/2
μ
−
1/2
d)
v
∝
F
μ
−
1
v \propto F\,\mu^{-1}
v
∝
F
μ
−
1
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