[填空题]
A rotating merry-go-round mazw+kbkc ) y9s*;g lq3vzd;9eakes one complete revolution in 4.0 s)w qohg75jm 1a (Fig. 8–38). (a) What is the linear speed of a m1jgqwah 7)o5child 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
