[单选题]
A wheel of diameter of 68.0 cm slowscbz9n7xk ,sbfl wo ea))7o8o)9md+i o,z)+dy6 s;zh b(bl8 p nvc)rb5.lqbkn down uniformly from 8.40 m/s to rest over a distance of 115 m. How long ,)zncs k+vqynd bb)bhb 85r6.;z(ll p does it take for the wheel to come to the stop?
A. $24.7 \; s$
B. $27.4 \; s$
C. $42.7 \; s$
D. $47.2 \; s$
Post time 2024-1-22 02:51:16