A circular platform is mounted on a vertical frictionless axle. Its radius is r=2m and its moment of inertia is I=200kg-m^(2). It is initially at rest. A 70kg man stands on the edge at speed v_(0)=1.0m//s relative to the ground. The angular velocity of the platform is:

A circular platform is mounted on a vertical frictionless axle. Its ra

1.	A circular platform is mounted on a vertical frictionless axle. Its radius is r=2m and its moment of inertia is I=200kg-m^(2). It is initially at rest. A 70kg man stands on the edge at speed v_(0)=1.0m//s relative to the ground. The angular velocity of the platform is:
Answer» `1.2rad//s` `0.4rad//s` `2.0rad//s` `0.7rad//s` ANSWER :D