14. [-/6 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER from the sels of rotation and he rotates with an ang

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14 6 Points Details My Notes Ask Your Teacher Practice Another From The Sels Of Rotation And He Rotates With An Ang 1 (30.7 KiB) Viewed 40 times

14. [-/6 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER from the sels of rotation and he rotates with an angular speed of A student sits on a rotating stool holding two 2.6-kg objects. When his arms are extended horizontally, the objects are 1.0 fram the 0.75 rad/s. The moment of inertia of the student plus stool is 3.0 and is asumed to be constant. The student then puls in the objects horizontally to 0.32 1 (a) Find the new angular speed of the student rad/s (b) Find the kinetic energy of the student before and after the objects are puted in before after Need Help? Read MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 15. [-/3 Points) DETAILS The puck in the figure below has a mass of 0.194 kg. Its original distance from the center of rotation is 400 m, and it moves with a speed of 75.0 cm/s. The string pulled downward 15,0 m through the hole in the frictionless table. Determine the work done on the puck Hint: Consider the change in kinetic energy