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Mathematics
Mathematics
Problem
A particle moves along the
x
x
x
-axis with position
x
(
t
)
=
3
t
3
x(t)=3 t^{3}
x
(
t
)
=
3
t
3
(SI units). Find the instantaneous velocity at
t
=
3
s
t=3 \mathrm{~s}
t
=
3
s
.
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