Q 7) Ifř = 2î - 3j+ k and p=1-2k. Determine angular momentum of two vectors, where
position vector and p is linear momentum.
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Answer:
J=r×p
=(
i
^
−2
j
^
k
^
)×(2
i
^
−
j
^
+
k
^
)
J=
i
^
(−2+1)−
j
^
(1−2)+
k
^
(−1+4)
J=−
i
^
+
j
^
+3
k
^
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