Please help!

I don't know where I went wrong.

3. (15POINTS) A 30-kg child is riding a merry-go-round at the playground. Two a. If it is rotating at 30 rev/min, what Centripetal force must she exert to stay on if 1 4, As she is 3 meters from the center of the merry-go-round? Draw a sketch of the situation as part of your answer. Fezmir / mrIN? FC = 30 kg 3.142 3 m 98. 721 30 rey / min 30 rev/ min 30 ref I DATA * 291 2 3:142s rad/ sees bos foldigilaon al noll Fc=mmy ? calculates ever = 30kg . 3m . 3. 1425 288: 84 11 - 0.25 b. What centripetal force does she need to stay on if the merry-go-round is now + 4 rotating at 3 rev/min and she is 10 meters from the center? 3 rev / min of 3 rev / min FLEM 1 2 z sbrad lees. 3283 inword ai nought it noiterslegos mod al landwa 2 30 kg 6 295 2 0 . 3142 -24 sees . min bos 30 kg . 10 m . 6: 3142 2 0 . 3142 2 29. 6 N - He = 30 kg x 10 m * 0 . 9426 N 0.8 N c. If she is now 15 m from the center, and her centripetal force is 500N, calculate + y the angular velocity of the merry-go-round in rad/s and in rev/min. V 2 FCom - 500 = 30 (15 ) Wa +1 .5 V 2 = Mr 500 2 450 IN 2 1. 05, 60 V2 = 30 kg , 15m 2 0.9 V2 V = JO . 9 12 2 1.11 SOON SOON = 30kg 15m 2/0. 95 m/s IN = VI. 11 2arz 6. 284 IN T. 05 rad/s 30 kq . 15 m 2 0. 9 m/s Om Vaz mr z FC 50ON W 2 , FC 500 mr FC = mirly 2 30. 15 FC = mrIN2 Wiz IC mr Z 1 -11 . mr IN 1 1:05 rad/s