[填空题]
A rotating merry-go-round makes one complete revolv/ xhikv. f9)ona c+e0ution in 4. zyiby;ycim5 ta/48azk;;f y00 s (Fig. 8–38). (a) Whafymt;/ z0 ;c8by;4i5ayy akiz t is the linear speed of a child seated 1.2 m from the center? $m/s$ (b) What is her acceleration (give components)? $m/s^2$ the center
Post time 2025-2-18 20:00:22
