[单选题]
A wheel of diameter o2y.;dzbcp 6xw r+4 o qxd;fc6vf 68.0 cm slows down uniformly from 8.40 m/s to rest ovasvml+o(9nig03 f:jr :r14iffvoo2 l er a distance of 115 m. How long does it take ff:l9gir: fn (saloj1fm4o+ i320vorvor 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