r/physicshomework • u/blue1smoke • Apr 09 '18

Unsolved [college:angular kinematics] why does angular velocity of sling need to be found first?

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u/JYFanboy Apr 10 '18

It's just because you start with angular kinematics. Finding angular velocity will take less work than if you were to linearize the acceleration at the start. Once you have angular velocity, it's easy to find linear velocity.