A 2 kg object moves in a circle of radius 4 m at aconstant speed of 3 m/s. A net

Question

A 2 kg object moves in a circle of radius 4 m at aconstant speed of 3 m/s. A net force of 4.5 N acts on the object. What is the magnitude of theangular momentum L of the object with respect to an axisperpendicular to the circle and through its center?
1. L = 18 N m/kg 2. L = 12 m2/s 3. L = 13.5 kg m2/s2 4. L = 24 kg m2/s2 5. L = 9 N m/kg
A 2 kg object moves in a circle of radius 4 m at aconstant speed of 3 m/s. A net force of 4.5 N acts on the object. What is the magnitude of theangular momentum L of the object with respect to an axisperpendicular to the circle and through its center?
1. L = 18 N m/kg 2. L = 12 m2/s 3. L = 13.5 kg m2/s2 4. L = 24 kg m2/s2 5. L = 9 N m/kg

Explanation / Answer

Hi, Angular momentum L = mvr                                 = (2kg)(3m/s)(4m)                              = 24 kgm2/s Hope this helps you

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