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Physics
Physics
Problem
A body
A
A
A
of mass 500 g has velocity
v
A
=
10
i
^
+
6
j
^
−
2
k
^
m s
−
1
\mathbf{v}_A = 10\,\hat i + 6\,\hat j - 2\,\hat k\;\text{m s}^{-1}
v
A
=
10
i
^
+
6
j
^
−
2
k
^
m s
−
1
. Another body
B
B
B
of mass 1.0 kg moves with velocity
v
B
=
−
4
i
^
+
3
j
^
+
8
k
^
m s
−
1
\mathbf{v}_B = -4\,\hat i + 3\,\hat j + 8\,\hat k\;\text{m s}^{-1}
v
B
=
−
4
i
^
+
3
j
^
+
8
k
^
m s
−
1
. Determine (i) the total momentum vector of the system and (ii) its magnitude, expressing your answer in kg·m·s⁻¹.
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