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Mathematics
Mathematics
Problem
A particle moves so that its displacement is
s
(
t
)
=
t
e
t
2
s(t)=t\,e^{t^{2}}
s
(
t
)
=
t
e
t
2
metres. What is its acceleration at
t
=
1
t=1
t
=
1
s? a)
7
e
7e
7
e
m/s
2
^{2}
2
b)
10
e
10e
10
e
m/s
2
^{2}
2
c)
6
e
6e
6
e
m/s
2
^{2}
2
d)
8
e
8e
8
e
m/s
2
^{2}
2
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