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23 Nov 2019
A thin, cylindrical rod = 27.0 cm long with a mass m = 1.20 kg hasa ball of diameter d = 10.00 cm and mass M = 2.00 kg attached toone end. The arrangement is originally vertical and stationary,with the ball at the top as shown in the figure below. Thecombination is free to pivot about the bottom end of the rod afterbeing given a slight nudge.
After the combination rotates through 90 degrees, what is itsrotational kinetic energy?
What is the angular speed of the rod and ball?
What is the linear speed of the center of mass of the ball?
A thin, cylindrical rod = 27.0 cm long with a mass m = 1.20 kg hasa ball of diameter d = 10.00 cm and mass M = 2.00 kg attached toone end. The arrangement is originally vertical and stationary,with the ball at the top as shown in the figure below. Thecombination is free to pivot about the bottom end of the rod afterbeing given a slight nudge.
After the combination rotates through 90 degrees, what is itsrotational kinetic energy?
What is the angular speed of the rod and ball?
What is the linear speed of the center of mass of the ball?
Jarrod RobelLv2
23 Nov 2019
