A 30-Kg Particle Has a Position Vector Given by Where

question 18

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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