Q57
A particle of mass 2 kg is moving such that at time t second. Its position in metre is given by r ( t ) = 5 i - 2t^2 j. The angular momentum of the particle at t = 2 s about the origin in kg-m2/s, is
A particle of mass 2 kg is moving such that at time t second. Its position in metre is given by The angular momentum of the particle at t = 2 s about the origin in kg-m2/s, is
A.
-40
B.
-80
AnswerC.
80
D.
40
Answer: Option B
Solution
Answer: Option B
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