Why is the coefficient of friction independent of the mass?
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Angular velocity means how many radians/degrees is this hand passing by every second.
First, you realize it goes through a whole revolution (2
in radians) in 60 seconds.
This means for every second, it passes by:
For the next part, you need to know this equation:
Tangential velocity=Angular velocity x radius (meters)
First, you realize it goes through a whole revolution (2
This means for every second, it passes by:
For the next part, you need to know this equation:
Tangential velocity=Angular velocity x radius (meters)