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Mathematics
Mathematics
Problem
The velocity of a particle is
v
(
t
)
=
5
t
3
−
4
t
v(t)=5t^{3}-4t
v
(
t
)
=
5
t
3
−
4
t
m s
−
1
^{-1}
−
1
. (i) Find its acceleration as a function of
t
t
t
. (ii) Determine the value(s) of
t
t
t
(in seconds) for which the acceleration is zero.
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