A Particle Whose Mass Is 2 Kg Moves in the Xy

question 15

Multiple Choice

A particle whose mass is 2 kg moves in the xy plane with a constant speed of 3 m/s along the direction $\hat { \mathbf { r } } = \hat { \mathbf { i } } + \hat { j }$ .What is its angular momentum (in kg.m²/s) relative to the origin?

• A)0 \(\hat { k }\)
• B) \(6 \sqrt { 2 } \tilde { \mathbf { k } }\)
• C) \(- 6 \sqrt { 2 } \tilde { \mathbf { k } }\)
• D)6 \(\hat { k }\)
• E)-6 \(\hat { k }\)

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