Asked by greoge
A freshman smart alek lips off onces too often! The assistant principle loses her cool and grabs the 38.0kg punk by the hair- swinging him in a vertical circle of radius 1.20m! if the freshman is moving at 6.30m/s at the bottom of the swing, calculate:
A) the tensions in the punks hair at the bottom of the path
B) the tension at the top of the arc when he is moving at 5.70 m/s
C) the minimum speed needed for the punk to remain in this vertical circle
A) the tensions in the punks hair at the bottom of the path
B) the tension at the top of the arc when he is moving at 5.70 m/s
C) the minimum speed needed for the punk to remain in this vertical circle