Finalize As expected, the angular speed increases v angular speed is 4.1 rad/s. Notice that the activity described in this problem is dangerous as discussed with regard to the Coriolis force in a previous chapter. . The fastest that this system could spin would be when the student moves to the center of the platform. Do this calculation to show that th EXERCISE Suppose the student in the example had jumped on to the rim of the merry-go-round without transferring any angular momentum to the merry-go-round. Hint (a) What was the angular speed (in rad/s) of the merry-go-round before the student jumped on? Recall that with the student standing at the outer edge, the angular speed is 1.8 rad/s. rad/s (b) By how much did the kinetic energy of the system change (in J) when the student jumped on? AK =

Finalize As expected, the angular speed increases v angular speed is 4.1 rad/s. Notice that the activity described in this problem is dangerous as discussed with regard to the Coriolis force in a previous chapter. . The fastest that this system could spin would be when the student moves to the center of the platform. Do this calculation to show that th EXERCISE Suppose the student in the example had jumped on to the rim of the merry-go-round without transferring any angular momentum to the merry-go-round. Hint (a) What was the angular speed (in rad/s) of the merry-go-round before the student jumped on? Recall that with the student standing at the outer edge, the angular speed is 1.8 rad/s. rad/s (b) By how much did the kinetic energy of the system change (in J) when the student jumped on? AK =