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Mathematics
Mathematics
Problem
The displacement of a particle is
s
(
t
)
=
2
t
3
−
5
t
2
+
4
t
−
3
s(t)=2t^{3}-5t^{2}+4t-3
s
(
t
)
=
2
t
3
−
5
t
2
+
4
t
−
3
metres. Find its acceleration at
t
=
2
t=2
t
=
2
s. a)
24
m/s
2
24\,\text{m/s}^2
24
m/s
2
b)
14
m/s
2
14\,\text{m/s}^2
14
m/s
2
c)
8
m/s
2
8\,\text{m/s}^2
8
m/s
2
d)
15
m/s
2
15\,\text{m/s}^2
15
m/s
2
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