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Physics
Physics
Problem
Which of the following physical relations cannot be justified solely on dimensional considerations? a)
T
=
2
π
l
g
T = 2\pi\sqrt{\dfrac{l}{g}}
T
=
2
π
g
l
b)
y
=
A
sin
(
k
x
−
ω
t
)
y = A\sin(kx - \omega t)
y
=
A
sin
(
k
x
−
ω
t
)
c)
v
=
g
h
v = \sqrt{g h}
v
=
g
h
d)
F
=
k
x
F = kx
F
=
k
x
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