Rotating Platform Points:20 A child of mass 21 kg stands at the center of a platform of radius 2.5 m and rotational iner

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Rotating Platform Points 20 A Child Of Mass 21 Kg Stands At The Center Of A Platform Of Radius 2 5 M And Rotational Iner 1 (55.74 KiB) Viewed 33 times

Rotating Platform Points:20 A child of mass 21 kg stands at the center of a platform of radius 2.5 m and rotational inertia 650 kg. m². The circular platform rotates about a frictionless shaft with a angular speed of 1 rad/s. The child walks along a radius until it reaches the rim. What is the angular speed of the platform when the child reaches the rim? Submit Answer Tries 0/40 What is the difference in energy between the final and the initial energy of the child plus the platform? (Determine for yourself where the work that made this change comes from). Submit Answer Tries 0/40 Post Discussion Send Feedb.