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Mathematics
Mathematics
Problem
A particle in the plane has acceleration
a
(
t
)
=
⟨
3
,
−
4
⟩
\mathbf a(t)=\langle 3,-4\rangle
a
(
t
)
=
⟨
3
,
−
4
⟩
. If
v
(
0
)
=
⟨
1
,
2
⟩
\mathbf v(0)=\langle 1,2\rangle
v
(
0
)
=
⟨
1
,
2
⟩
and
r
(
0
)
=
⟨
0
,
5
⟩
\mathbf r(0)=\langle 0,5\rangle
r
(
0
)
=
⟨
0
,
5
⟩
, what is
r
(
2
)
\mathbf r(2)
r
(
2
)
? a)
⟨
6
,
−
3
⟩
\langle 6,-3\rangle
⟨
6
,
−
3
⟩
b)
⟨
8
,
1
⟩
\langle 8,1\rangle
⟨
8
,
1
⟩
c)
⟨
8
,
17
⟩
\langle 8,17\rangle
⟨
8
,
17
⟩
d)
⟨
7
,
−
1
⟩
\langle 7,-1\rangle
⟨
7
,
−
1
⟩
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