Intensity is defined to be the power per unit area carried by a wave. Power is the rate at which energy is transferred by the wave. In equation form, intensity I is
I
=
P
A
I
=
P
A
, where P is the power through an area A. The SI unit for I is W/m2. The intensity of a sound wave is related to its amplitude squared by the following relationship:
I
=
(
Δ
p
)
2
2
ρ
v
w
I believe plant cells because the only cells that have walls are plant cells and cellulose is strong and will help remain its shape.
When a physical ailment has no apparent medical cause, doctors may suspect a somatoform disorder. Essentially a mental disorder
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