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Physics
Physics
Problem
A physical quantity
Q
Q
Q
is defined by
Q
=
F
2
t
ρ
v
Q = \dfrac{F^{2} t}{\rho v}
Q
=
ρ
v
F
2
t
, where
F
F
F
is force,
t
t
t
is time,
ρ
\rho
ρ
is mass density and
v
v
v
is velocity. a. (a) Derive the dimensional formula of
Q
Q
Q
. b. (b) Write the corresponding SI unit of
Q
Q
Q
.
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