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Mathematics
Mathematics
Problem
If the displacement of a body is given by
s
(
t
)
=
3
t
3
−
6
t
s(t)=3t^{3}-6t
s
(
t
)
=
3
t
3
−
6
t
metres, find its instantaneous velocity at
t
=
2
s
t=2\,\text{s}
t
=
2
s
.
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