A Particle Whose Mass Is 2 $\hat { \mathbf { r } } = \hat { \mathbf { i } } + \hat { j }$

question 73

Multiple Choice

A particle whose mass is 2.0 kg moves in the xy plane with a constant speed of 3.0 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 point (0,5.0) meters?

• A)12 \(\hat { k }\)
• B)11 \(\hat { k }\)
• C)13 \(\hat { k }\)
• D)14 \(\hat { k }\)
• E)21 \(\hat { k }\)

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