[填空题]
A rotating merry-go-roundh a1owsq7lk+6p y.p.g makes one complx9h gbog6x)-lete revolution in 4.0 s (Fig. 8–38). (a) What is thg)lhxg 6x-b 9oe 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
