A 30-Kg Particle Has a Position Vector Given by

question 9

Multiple Choice

A 3.0-kg particle has a position vector given by
Where
Is in meters and t is in seconds.What is the angular momentum of the particle,in kg⋅m²/s,about the origin at t = 2 s?

• A)72
• B)−72
• C)24
• D)−24
• E)22

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